feat: add phase 1 runnable skeleton

apps/mobile/vite.config.ts

@@ -0,0 +1,9 @@
+import react from '@vitejs/plugin-react';
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    port: 5173,
+  },
+});