test: Trigger GitHub Actions deployment test

- Update README with comprehensive documentation
- Test OIDC authentication and multi-environment deployment
- Verify GitHub Actions workflow with updated configurations

Author: Hirose-Sebastian-Taikai

README.md

@@ -1 +1,36 @@
-# python-lambda-frame
+# Python Lambda Framework
+
+AWS Lambda Layer for Python development with comprehensive schema support.
+
+## Features
+
+- **Multi-Service Support**: Comprehensive AWS service schemas
+- **Environment Management**: Multi-account deployment support
+- **CI/CD Integration**: GitHub Actions with OIDC authentication
+- **Flexible Configuration**: Environment-specific S3 buckets and IAM roles
+
+## Quick Start
+
+1. **Setup IAM Roles and OIDC**:
+   ```bash
+   ./create_role.sh
+   # or
+   ./create_role.ps1
+   ```
+
+2. **Deploy to AWS**:
+   ```bash
+   sam build
+   sam deploy
+   ```
+
+## GitHub Actions
+
+This project includes automated CI/CD pipeline with:
+- Multi-branch deployment (`main` → production, `deploy` → development)
+- OIDC authentication for secure AWS access
+- Environment-specific configurations
+
+## Updated: 2025-07-31
+
+Latest deployment test with OIDC and multi-environment setup.