feat: major feature updates and cleanup

- Add Redis architecture implementation
- Update browser extension functionality
- Clean up deprecated files and documentation
- Enhance backend handlers for auth, messages, search
- Add new configuration options and settings
- Update Docker and deployment configurations

.dockerignore

@@ -2,7 +2,6 @@ node_modules
 .git
 .gitignore
 README.md
-.env
 .env.local
 .env.production
 Dockerfile