feat: add interactive terminal support for containers via WebSocket

- Implemented WebSocket endpoint for executing interactive shells in Docker containers.
- Added ticket-based authentication for terminal access to enhance security.
- Updated frontend to support terminal interactions, including lazy loading of terminal components.
- Enhanced backend to manage terminal session tickets and settings for enabling/disabling terminal access.
- Updated Nginx configuration to support WebSocket connections for terminal sessions.
- Added necessary dependencies for terminal functionality in the frontend.
- Improved user interface to include terminal access controls and feedback on terminal status.

vps-monitor/frontend/vite.config.js

@@ -5,7 +5,8 @@ export default defineConfig({
   plugins: [react()],
   server: {
     proxy: {
-      '/api': 'http://localhost:8000',
+      // `ws: true` : le terminal des conteneurs passe par un WebSocket sur /api
+      '/api': { target: 'http://localhost:8000', ws: true },
     },
   },
 })