Add contributing links to readme and table of contents

Author: rsmithlal

README.md

@@ -117,3 +117,12 @@ Run the RSpec tests:
 ```bash
 bin/dc-run app rspec
 ```
+
+## Contributing
+
+We welcome contributions from the community.
+
+- Guidelines: See [CONTRIBUTING.md](CONTRIBUTING.md) for how to report issues, propose changes, and submit pull requests.
+- Code of Conduct: See [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md) for expectations of behavior in our community.
+
+Thank you for helping make Better Together better for everyone.

docs/table_of_contents.md

@@ -7,6 +7,8 @@ Welcome to the comprehensive documentation for the Better Together Community Eng
 ### 🏠 **Main Entry Points**
 - [📖 Main README](README.md) - Project overview and getting started
 - [📋 This Table of Contents](table_of_contents.md) - Complete documentation index
+- [🤝 Contributing Guide](../CONTRIBUTING.md) - How to contribute
+- [🌟 Code of Conduct](../CODE_OF_CONDUCT.md) - Community expectations
 
 ### 👥 **Stakeholder Documentation**