Proxy websockets in devcontainers (#8886)

* proxy websockets

* remove whitespace

web/vite.config.ts

@@ -19,7 +19,16 @@ export default defineConfig({
       },
       '/exports': {
         target: 'http://localhost:5000'
-      }
+      },
+      '/ws': {
+        target: 'ws://localhost:5000',
+        ws: true,
+      },
+      '/live': {
+        target: 'ws://localhost:5000',
+        changeOrigin: true,
+        ws: true,
+      },
     }
   },
   plugins: [
@@ -43,4 +52,4 @@ export default defineConfig({
     restoreMocks: true,
     globals: true,
   },
-});
+});