Initial commit: Info-Beamer Streaming Channel System

- Complete Flask web application for digital signage management
- Streaming channels for organized content delivery
- User authentication with admin/user roles
- Bootstrap UI with light/dark theme support
- File upload and management system
- Activity logging and monitoring
- API endpoints for Info-Beamer device integration
- Database models for channels, content, users, and activity logs

requirements.txt

@@ -0,0 +1,4 @@
+Flask==2.3.3
+Flask-SQLAlchemy==3.0.5
+Flask-Login==0.6.3
+Werkzeug==2.3.7