Update README.md to fix broken contributing links (#125)

Author: caseyrfsmith

README.md

@@ -14,25 +14,25 @@ Fix typos, broken links, or small issues directly in your browser:
 2. Make your changes in the GitHub web editor
 3. Submit a pull request
 
-**No setup required!** See our [Quick Start Guide](https://doc-detective.com/docs/contributing/quick-start) for details.
+**No setup required!** See our [Quick Start Guide](https://doc-detective.com/docs/contribute/docs/quick-start) for details.
 
 ### Standard contributions (10-30 minutes)
 
 Add examples, troubleshooting tips, or new content:
 
-- Follow our [Standard Contributions Guide](https://doc-detective.com/docs/contributing/standard-contributions)
+- Follow our [Standard Contributions Guide](https://doc-detective.com/docs/contribute/docs/standard-contributions)
 - Use our [content templates](https://doc-detective.com/docs/contributing/templates/) for structure
 - Set up [local development](#local-development) (optional)
 
 ### Substantial contributions (30+ minutes)
 
 Document new features, write tutorials, or restructure documentation:
 
-- Review our [Substantial Contributions Guide](https://doc-detective.com/docs/contributing/substantial-contributions)
+- Review our [Substantial Contributions Guide](https://doc-detective.com/docs/contribute/docs/substantial-contributions)
 - Discuss your plans in an issue first
 - Set up [local development](#local-development) (recommended)
 
-**📚 [Read the full contribution guidelines →](https://doc-detective.com/docs/contributing/)**
+**📚 [Read the full contribution guidelines →](https://doc-detective.com/docs/contribute/docs)**
 
 ## 🚀 Local development
 
@@ -113,4 +113,4 @@ Thank you to all our contributors! Your contributions make Doc Detective better
 
 <!-- Add contributor images here or link to contributors page -->
 
-**[View all contributors →](https://github.com/doc-detective/doc-detective.github.io/graphs/contributors)**
+**[View all contributors →](https://github.com/doc-detective/doc-detective.github.io/graphs/contributors)**