docs: fix broken links in quickstart guide (#1759) (#1797)

Author: dhilipkumars

docs/quickstart.md

@@ -173,6 +173,6 @@ Finally, implement the solution:
 
 ## Next Steps
 
-- Read the [complete methodology](../spec-driven.md) for in-depth guidance
-- Check out [more examples](../templates) in the repository
+- Read the [complete methodology](https://github.com/github/spec-kit/blob/main/spec-driven.md) for in-depth guidance
+- Check out [more examples](https://github.com/github/spec-kit/tree/main/templates) in the repository
 - Explore the [source code on GitHub](https://github.com/github/spec-kit)