Update readme for project management

Author: James

README.md

@@ -1,2 +1,26 @@
 # whitepaper
 Whitepaper for commitground
+
+- [Read English Version](whitepaper-eng.md)(translation wanted)
+- [Read Korean Version](whitepaper-kor.md)
+
+# Branches
+
+1. `master`: Officially released version of whitepaper
+2. `develop`: Branch to update the whitepaper continuously
+3. `issue-number`: Branch to resolve an important registered issue. 'number' will be the number of the registered issue's number
+
+
+# How to contribute to the project
+
+1. If you have any proposals, please make an issue. Please make it with "Proposal" template. You can see the template when you click the "new issue" button. 
+
+2. If you have any solution for registered issues, please make a pull request for it.
+
+# We need translations
+
+Translations to various languages are really important tasks to improve our project. 
+1. To make translations, please make an issue with "Translation" template. You can see the template when you click the "new issue" button.
+2. To avoid duplicated works, please check the [translation project board](https://github.com/commitground/whitepaper/projects/1) before you start.
+3. When you have done your work, please make a pull request tagging the related issue together.
+