refactor(package.json, next.config.ts, Hero.tsx): add bundle analyzer support and improve code formatting

next.config.ts

@@ -1,4 +1,7 @@
 import type { NextConfig } from "next";
+import dotenv from "dotenv";
+
+dotenv.config();
 
 const nextConfig: NextConfig = {
   env: {
@@ -6,4 +9,8 @@ const nextConfig: NextConfig = {
   },
 };
 
-export default nextConfig;
+const withBundleAnalyzer = require("@next/bundle-analyzer")({
+  enabled: process.env.ANALYZE === "true",
+});
+
+module.exports = withBundleAnalyzer(nextConfig);