- Update overview to clarify that only .env-defined templates are built
- Update architecture diagram to reflect new .env-based process
- Add new 'Template Build-Prozess' section with detailed explanation
- Update 'Automatisiertes Deployment' with correct .env-based instructions
- Add emphasis to WICHTIG notes about .env configuration
- Update quick-start guide to show .env configuration as first step
- Update checklist to highlight critical .env step
- Clarify validation, error handling, and fallback behavior
- Full guide for creating custom user templates
- Step-by-step instructions with requirements
- 3 complete examples: Python Flask, Hugo static site, Node.js with DB
- Deployment workflows for local and production
- Troubleshooting section and best practices
- Quick reference and checklist
