docs(readme): add live demo links

Author: solkimicreb

examples/helloWorld/README.md

@@ -1,5 +1,5 @@
 # Hello World
 
-**[Live Demo]()**
+**[Live Demo](https://solkimicreb.github.io/react-easy-state/examples/helloWorld/)**
 
 The obligatory Hello World example. Check the other ones for a bit more excitement.

examples/simpleTodos/README.md

@@ -1,5 +1,5 @@
 # Simple Todos
 
-**[Live Demo]()**
+**[Live Demo](https://solkimicreb.github.io/react-easy-state/examples/simpleTodos/)**
 
 This is a super simple todo app. It demonstrates how to handle arrays with Easy State (you just use them as you will).

examples/todoMVC/README.md

@@ -1,5 +1,5 @@
 # TodoMVC
 
-**[Live Demo]()**
+**[Live Demo](https://solkimicreb.github.io/react-easy-state/examples/todoMVC/)**
 
 This is a lighter version of the well-known React [TodoMVC](http://todomvc.com/). It separates the state into its [own file](/State.js) and relies heavily on JS getters and setter to provide a clear and simple state management.