Clean up project by removing unnecessary files and configurations

Removes obsolete deployment guides, scripts, nginx configs, and simplifies the Docker setup, favoring a single docker-compose.yml.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 91318273-c764-4fd4-be04-bdc12c38af32
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/99451107-d8a0-4f61-81e0-cae481285260.jpg

replit.md

@@ -202,7 +202,7 @@ Preferred communication style: Simple, everyday language.
 - ✅ Safety confirmation dialogs for manual purge operations
 - ✅ Real-time monitoring of data retention status with visual indicators
 
-### Docker Configuration (January 9, 2025)
+### Docker Configuration & Cleanup (January 9, 2025)
 - ✅ Complete Docker setup optimized for external PostgreSQL database
 - ✅ Docker Compose configuration with RegisFlow application only
 - ✅ Automated database connection and migration scripts for external PostgreSQL
@@ -210,14 +210,15 @@ Preferred communication style: Simple, everyday language.
 - ✅ Production-ready configuration with security best practices
 - ✅ Persistent volumes for backup data
 - ✅ Environment variable configuration with preconfigured PostgreSQL credentials
-- ✅ Comprehensive Docker documentation with deployment instructions
-- ✅ Nginx configuration removed for simplified deployment (application accessible on port 5000)
-- ✅ Preconfigured PostgreSQL user (regisflow/RegisFlow2024!) - only IP change needed
+- ✅ Removed all nginx configuration files and dependencies
+- ✅ Cleaned up redundant Docker scripts and deployment files
 - ✅ Simplified network configuration without IP presets to avoid conflicts
 - ✅ Default Docker bridge network usage for maximum compatibility
 - ✅ Ultra-simple installation process with single command: docker-compose up -d
 - ✅ Single docker-compose.yml file for all environments (dev, test, production)
 - ✅ Eliminated multiple configuration files to reduce complexity
+- ✅ Removed unnecessary documentation files and assets
+- ✅ Streamlined project structure with only essential files
 
 ### Node.js 18 Compatibility Fix (January 9, 2025)
 - ✅ Resolved TypeError with undefined paths in Node.js 18 production environment