Update README requirements and remove duplicate license section

- Update Node.js requirement to 22+ (LTS) to match .nvmrc and workflows
- Update AWS Lambda runtime to nodejs22.x for consistency
- Remove license section since LICENSE file already exists
- Clean up documentation structure

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: oladayo21

README.md

@@ -95,10 +95,6 @@ adapter({
 
 ## Requirements
 
-- **Node.js**: 20+
+- **Node.js**: 22+ (LTS)
 - **SvelteKit**: 2.0+
-- **AWS Lambda**: nodejs20.x runtime
-
-## License
-
-MIT
+- **AWS Lambda**: nodejs22.x runtime