Merge pull request javascript-society#25 from ericdouglas/master

Add CONTRIBUTING file

Author: ericdouglas

CONTRIBUTING.md

@@ -0,0 +1,13 @@
+# Contributing
+
+> "Can I submit more books?"
+
+**Yes!** If you want to suggest a new book, just open an issue and tell us which book we should add here.
+
+**OBS**: After **10** people approve (:+1:) your suggestion, the book will be included in our list.
+
+> "Can I suggest a new book for the Essential Path"
+
+**Yes!** But keep in mind that we will maintain just **one book** for each topic. If the book that you are suggesting is from a topic that we already have, we will change the previous book with the one suggested by you.
+
+**OBS**: After at least **20** people approve (:+1:) your suggestion, the book and/or the new topic will be included in our list.

README.md

@@ -83,8 +83,4 @@ After you complete the Essential Path, you should keep studying! Just choose one
 
 ## Contributing
 
-> "Can I submit more books?"
-
-**Yes!** If you want to suggest a new book, just open an issue and tell us which book we should add here.
-
-**OBS**: After **10** people approve (:+1:) your suggestion, the book will be included in our list.
+See our contributing guideline [here](CONTRIBUTING.md)!