Bug fix revert

CONTRIBUTING.md

@@ -1 +1,22 @@
  All contributions, bug reports, bug fixes, documentation improvements, enhancements, and ideas are welcome.
+
+Contribution Guidelines
+Welcome Contributors!
+Thank you for considering contributing to the centralized repository. This document outlines the guidelines for contributing to the development of Shipping Rates and Calculations.
+
+Code Style
+Please follow the coding style and conventions used in the existing codebase. This helps maintain consistency across the project.
+
+Documentation
+Ensure that your contributions are well-documented. Include comments in your code where necessary and provide a clear and concise description of your changes in the pull request.
+
+Testing
+Before submitting a pull request, make sure your changes have been tested thoroughly. Include relevant test cases and ensure that existing tests pass.
+
+Issue Tracker
+Check the issue tracker for any open issues or feature requests. If you're working on something, please comment on the issue to let others know.
+
+Code Review
+All contributions will go through a code review process. Be open to feedback and be willing to make changes if necessary. Code reviews help maintain code quality and consistency.
+
+Thank you for your contribution!

README.md

@@ -14,3 +14,5 @@ Output
 ```
 
 _© 2022 XYZ, Inc._
+
+# This one show how to revert the changes - bug-fix-revert