Merge pull request #67 from salesforce/add-CONTRIBUTING

added CONTRIBUTING.md file

Author: yoikawa

CONTRIBUTING.md

@@ -0,0 +1,31 @@
+# Contributing
+
+Welcome to Grammaticus! We appreciate your interest in contributing to our open source projects on GitHub.
+
+## Issues
+
+We encourage you to submit issues and enhancement requests through our [GitHub Issues](https://github.com/salesforce/grammaticus/issues) page. Please check existing issues before creating new ones to avoid duplicates.
+
+## Contributing Process
+
+We follow the "fork-and-pull" Git workflow for contributions:
+
+1. Fork the repository on GitHub
+2. Clone the project to your local machine
+3. Create a feature branch and commit your changes
+4. Push your work to your fork on GitHub
+5. Submit a Pull Request for review
+
+**Important**: Always merge the latest changes from "upstream" before making a pull request to ensure your code is up-to-date.
+
+## Coding Standards
+
+Code consistency is paramount. Please adhere to the following guidelines:
+- Follow the existing style, formatting, and naming conventions of the file you're modifying
+- Write clear, descriptive commit messages
+- Include appropriate documentation for new features
+- Add tests for new functionality
+
+## License
+
+This project is licensed under the [Grammaticus License](https://github.com/salesforce/grammaticus/blob/master/LICENSE.txt). By contributing, you agree to license your contributions under the same terms.