doc: add table of contents in CONTRIBUTING.md (#1132)

* doc: add table of contents in CONTRIBUTING.md

* Add @ZYSzys as a contributor

Author: ZYSzys

.all-contributorsrc

@@ -613,6 +613,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "ZYSzys",
+      "name": "ZYSzys",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/23313266?v=4",
+      "profile": "http://zyszys.top",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "repoType": "github"

CONTRIBUTING.md

@@ -1,5 +1,12 @@
 # Contributing to CodeSandbox Client
 
+## Table of Contents
+
+* [Code Organization](#code-organization)
+* [Setting Up the project locally](#setting-up-the-project-locally)
+* [Submitting a Pull Request](#submitting-a-pull-request)
+* [Add yourself as a contributor](#add-yourself-as-a-contributor)
+
 ## Code Organization
 
 The CodeSandbox client is currently divided in to 5 parts. We use `lerna` to share dependencies between these parts.

README.md

@@ -1,4 +1,4 @@
-# [CodeSandbox](https://codesandbox.io) [![Chat](https://img.shields.io/badge/chat-on%20discord-7289da.svg)](https://discord.gg/KE3TbEZ) [![All Contributors](https://img.shields.io/badge/all_contributors-63-orange.svg?style=flat-square)](#contributors) [![CircleCI](https://circleci.com/gh/CompuIves/codesandbox-client.svg?style=svg)](https://circleci.com/gh/CompuIves/codesandbox-client) [![BrowserStack Status](https://www.browserstack.com/automate/badge.svg?badge_key=cVJuczlJWUtqWXhIbFN1ZjVQekF4NzNsd3phNEZRaGlWU0pHYVVkdGRFWT0tLXFtTVhaOWRySmN0ZG5QVDNDQ0g5Z0E9PQ==--79fe3eae4f149a400d396c9b12d3988f685785cf)](https://www.browserstack.com/automate/public-build/cVJuczlJWUtqWXhIbFN1ZjVQekF4NzNsd3phNEZRaGlWU0pHYVVkdGRFWT0tLXFtTVhaOWRySmN0ZG5QVDNDQ0g5Z0E9PQ==--79fe3eae4f149a400d396c9b12d3988f685785cf) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com) [![first-timers-only Friendly](https://img.shields.io/badge/first--timers--only-friendly-blue.svg)](http://www.firsttimersonly.com/)
+# [CodeSandbox](https://codesandbox.io) [![Chat](https://img.shields.io/badge/chat-on%20discord-7289da.svg)](https://discord.gg/KE3TbEZ) [![All Contributors](https://img.shields.io/badge/all_contributors-64-orange.svg?style=flat-square)](#contributors) [![CircleCI](https://circleci.com/gh/CompuIves/codesandbox-client.svg?style=svg)](https://circleci.com/gh/CompuIves/codesandbox-client) [![BrowserStack Status](https://www.browserstack.com/automate/badge.svg?badge_key=cVJuczlJWUtqWXhIbFN1ZjVQekF4NzNsd3phNEZRaGlWU0pHYVVkdGRFWT0tLXFtTVhaOWRySmN0ZG5QVDNDQ0g5Z0E9PQ==--79fe3eae4f149a400d396c9b12d3988f685785cf)](https://www.browserstack.com/automate/public-build/cVJuczlJWUtqWXhIbFN1ZjVQekF4NzNsd3phNEZRaGlWU0pHYVVkdGRFWT0tLXFtTVhaOWRySmN0ZG5QVDNDQ0g5Z0E9PQ==--79fe3eae4f149a400d396c9b12d3988f685785cf) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com) [![first-timers-only Friendly](https://img.shields.io/badge/first--timers--only-friendly-blue.svg)](http://www.firsttimersonly.com/)
 
 ![Banner](https://codesandbox.io/static/img/banner.png)
 
@@ -49,4 +49,5 @@ Thanks goes to these wonderful people
 | [<img src="https://avatars0.githubusercontent.com/u/1820292?v=4" width="100px;"/><br /><sub><b>Michel Weststrate</b></sub>](https://twitter.com/mweststrate)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=mweststrate "Code") | [<img src="https://avatars0.githubusercontent.com/u/52824?v=4" width="100px;"/><br /><sub><b>Oleg</b></sub>](https://kof.github.io)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=kof "Code") | [<img src="https://avatars0.githubusercontent.com/u/1127037?v=4" width="100px;"/><br /><sub><b>Paul Sherman</b></sub>](https://www.pshrmn.com)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Apshrmn "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=pshrmn "Code") | [<img src="https://avatars2.githubusercontent.com/u/9244507?v=4" width="100px;"/><br /><sub><b>Ro Savage</b></sub>](https://github.com/ro-savage)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=ro-savage "Code") | [<img src="https://avatars3.githubusercontent.com/u/13242392?v=4" width="100px;"/><br /><sub><b>Sam Denty</b></sub>](https://samdd.me)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=samdenty99 "Code") | [<img src="https://avatars1.githubusercontent.com/u/3087225?v=4" width="100px;"/><br /><sub><b>Zephraph</b></sub>](https://github.com/zephraph)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=zephraph "Code") | [<img src="https://avatars1.githubusercontent.com/u/1900735?v=4" width="100px;"/><br /><sub><b>Josh Waller</b></sub>](https://www.joshwaller.me)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Amdxprograms "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=mdxprograms "Code") [📖](https://github.com/CompuIves/codesandbox-client/commits?author=mdxprograms "Documentation") |
 | [<img src="https://avatars0.githubusercontent.com/u/1195863?v=4" width="100px;"/><br /><sub><b>Joe Ng'ethe</b></sub>](http://joey.co.ke)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=joeynimu "Code") | [<img src="https://avatars0.githubusercontent.com/u/576935?v=4" width="100px;"/><br /><sub><b>Carles Codony</b></sub>](https://github.com/bitblitter)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=bitblitter "Code") | [<img src="https://avatars2.githubusercontent.com/u/468006?v=4" width="100px;"/><br /><sub><b>Vytenis</b></sub>](https://github.com/FDiskas)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=FDiskas "Code") | [<img src="https://avatars1.githubusercontent.com/u/894149?v=4" width="100px;"/><br /><sub><b>Manuel Dugué</b></sub>](http://manueldugue.de)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Amdugue "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=mdugue "Code") | [<img src="https://avatars2.githubusercontent.com/u/5346497?v=4" width="100px;"/><br /><sub><b>Demian Dekoninck</b></sub>](https://dem.be)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=DemianD "Code") | [<img src="https://avatars2.githubusercontent.com/u/3144549?v=4" width="100px;"/><br /><sub><b>Drake Costa</b></sub>](http://www.saeris.io)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=Saeris "Code") | [<img src="https://avatars2.githubusercontent.com/u/433394?v=4" width="100px;"/><br /><sub><b>Marko Stijak</b></sub>](https://cxjs.io/)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=mstijak "Code") |
 | [<img src="https://avatars2.githubusercontent.com/u/10588170?v=4" width="100px;"/><br /><sub><b>Ilya</b></sub>](https://twitter.com/ilya_komar0ff)<br />[💬](#question-Komar0ff "Answering Questions") [🤔](#ideas-Komar0ff "Ideas, Planning, & Feedback") | [<img src="https://avatars2.githubusercontent.com/u/10627086?v=4" width="100px;"/><br /><sub><b>Emerson Laurentino</b></sub>](https://twitter.com/elaurent_)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=emersonlaurentino "Code") [🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Aemersonlaurentino "Bug reports") | [<img src="https://avatars3.githubusercontent.com/u/180963?v=4" width="100px;"/><br /><sub><b>Aaron Reisman</b></sub>](https://github.com/lifeiscontent)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Alifeiscontent "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=lifeiscontent "Code") [📦](#platform-lifeiscontent "Packaging/porting to new platform") | [<img src="https://avatars2.githubusercontent.com/u/19484365?v=4" width="100px;"/><br /><sub><b>Colton Colcleasure</b></sub>](https://github.com/colshacol)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=colshacol "Code") [🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3Acolshacol "Bug reports") | [<img src="https://avatars0.githubusercontent.com/u/497242?v=4" width="100px;"/><br /><sub><b>PJ Walker</b></sub>](https://github.com/PJWalker)<br />[🐛](https://github.com/CompuIves/codesandbox-client/issues?q=author%3APJWalker "Bug reports") [💻](https://github.com/CompuIves/codesandbox-client/commits?author=PJWalker "Code") | [<img src="https://avatars2.githubusercontent.com/u/29819102?v=4" width="100px;"/><br /><sub><b>Satya Rohith</b></sub>](https://satya.tech)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=satyarohith "Code") [📖](https://github.com/CompuIves/codesandbox-client/commits?author=satyarohith "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/17421347?v=4" width="100px;"/><br /><sub><b>Melanie Seltzer</b></sub>](https://www.melanieseltzer.io/)<br />[💻](https://github.com/CompuIves/codesandbox-client/commits?author=melanieseltzer "Code") |
+| [<img src="https://avatars1.githubusercontent.com/u/23313266?v=4" width="100px;"/><br /><sub><b>ZYSzys</b></sub>](http://zyszys.top)<br />[📖](https://github.com/CompuIves/codesandbox-client/commits?author=ZYSzys "Documentation") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->