🩹(frontend) fix allowed hosts by Vite using the Tilt stack

When using nip.io for local development DNS mapping (which allows hostname-based
access to localhost), we need to explicitly allow these domains in Vite's server
configuration to prevent host security violations.

This check should be ignored when using https.

src/frontend/vite.config.ts

@@ -10,6 +10,7 @@ export default defineConfig(({ mode }) => {
     server: {
       port: parseInt(env.VITE_PORT) || 3000,
       host: env.VITE_HOST || 'localhost',
+      allowedHosts: ['.nip.io'],
     },
   }
 })