fix establish WebSocket connection

guocaoyi/create-chrome-ext#74

Author: bozzhik

vite.config.ts

@@ -16,6 +16,13 @@ export default defineConfig(({ mode }) => {
         },
       },
     },
+    server: {
+      port: 5173,
+      strictPort: true,
+      hmr: {
+        port: 5173,
+      },
+    },
     legacy: {
       skipWebSocketTokenCheck: true,
     },