message: Fix a broken link in the CONTRIBUTING.md guide
diff: @@ -24,7 +24,7 @@ cargo test
  #### Code Style, Hints, and Testing
  -Refer to our [Coding Guidelines](https://developers.libra.org/docs/coding-guidelines) for detailed guidance about how to contribute to the project.
  +Refer to our [Coding Guidelines](https://developers.libra.org/docs/community/coding-guidelines) for detailed guidance about how to contribute to the project.
  #### Documentation
  