✨(frontend) add custom virtual background feature

Add a custom virtual background feature.

If the backend supports uploading files, backgrounds are stored
in the backend for the user.
Otherwise, only one background image can be selected.

src/frontend/vite.config.ts

@@ -14,6 +14,14 @@ export default defineConfig(({ mode }) => {
       port: parseInt(env.VITE_PORT) || 3000,
       host: env.VITE_HOST ?? 'localhost',
       allowedHosts: ['.nip.io'],
+      // In a local dev setup, we proxy the media server ourselves to avoid CORS issues
+      proxy: {
+        '/media': {
+          target: 'http://localhost:8083',
+          changeOrigin: true,
+          secure: false
+        }
+      }
     },
   }
 })