setup chackra component lib + refactor hello world example

eslint.config.mjs

@@ -7,6 +7,9 @@ const __dirname = dirname(__filename);
 
 const compat = new FlatCompat({
   baseDirectory: __dirname,
+  experimental: {
+    optimizePackageImports: ["@chakra-ui/react"],
+  },
 });
 
 const eslintConfig = [