feat: initialize gateway frontend with Vue 3, Vite, and Tailwind CSS

- Set up pnpm workspace with necessary dependencies including esbuild and vue-demi.
- Create initial HTML structure for the frontend application.
- Implement main App component with Vue Router integration.
- Add global styles using Tailwind CSS and custom theme variables.
- Define TypeScript environment for Vue components.
- Create a default layout component for consistent page structure.
- Set up Vue Router with a home view route.
- Implement authentication store using Pinia for user management.
- Create utility for tRPC client setup.
- Develop HomeView component with login functionality and server status placeholder.
- Configure TypeScript for Node with composite and strict options.
- Set up Vite configuration for Vue and Tailwind CSS integration.

app/gateway-frontend/vite.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from 'vite';
+import vue from '@vitejs/plugin-vue';
+import tailwindcss from '@tailwindcss/vite';
+import path from 'path';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [
+    vue(),
+    tailwindcss(),
+  ],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
+  server: {
+    port: 3000,
+  },
+});