Update contribute guide

CONTRIBUTING.md

@@ -1,5 +1,6 @@
 Welome to contribute to SRS!
 
-1. Please read **Contribution([CN](https://github.com/ossrs/srs/issues/2866#contribution) EN)** before file new PR.
-2. Please start from fixing some [Issues: good first issue](https://github.com/ossrs/srs/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22), then follow the [guide](https://github.com/ossrs/srs/wiki/HowToFilePR).
-3. We will review your PR ASAP.
+1. Please start from fixing some [Issues: good first issue](https://github.com/ossrs/srs/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22).
+1. Then follow the [guide](https://github.com/ossrs/srs/wiki/HowToFilePR) to file a PR.
+1. We will review your PR ASAP.
+

README.md

@@ -125,7 +125,12 @@ A big `THANK YOU` also goes to:
 
 * All [contributors](trunk/AUTHORS.md#contributors) of SRS.
 * All friends of SRS for [big supports](https://github.com/ossrs/srs/wiki/Product).
-* [Genes](http://sourceforge.net/users/genes), [Mabbott](http://sourceforge.net/users/mabbott) and [Michael Talyanksy](https://github.com/michaeltalyansky) for [st](https://github.com/ossrs/state-threads/tree/srs).
+* [Genes](http://sourceforge.net/users/genes), [Mabbott](http://sourceforge.net/users/mabbott) and [Michael Talyanksy](https://github.com/michaeltalyansky) for creating and introducing [st](https://github.com/ossrs/state-threads/tree/srs).
+
+## Contributing
+
+We are grateful to the community for contributing bugfix and improvements, please follow the
+[guide](https://github.com/ossrs/srs/contribute).
 
 ## Releases