chore: add and configure poi

packages/search-site/poi.config.js

@@ -0,0 +1,8 @@
+/* eslint global-require: 0 */
+const path = require('path');
+
+module.exports = {
+  entry: path.resolve(__dirname, 'src/index.mjs'),
+  outDir: 'dist',
+  plugins: [require('@poi/plugin-vue-static')()],
+};