chore(project): update contribution guidelines

CONTRIBUTING.md

@@ -20,10 +20,9 @@ Each commit message should include a **type**, a **scope** and a **subject**:
 Lines should not exceed 100 characters. This allows the message to be easier to read on github as well as in various git tools and produces a nice, neat commit log ie:
 
 ```
- #271 feat(standard): add style config and refactor to match
- #270 fix(config): only override publicPath when served by webpack
- #269 feat(eslint-config-defaults): replace eslint-config-airbnb
- #268 feat(config): allow user to configure webpack stats output
+ #271 docs(configuration): add the configuration section
+ #270 fix(deployment): fix a typo in the deployment section
+ #269 docs(sphinx): update contribute section
 ```
 
 #### Type