Use NextJS middleware for proxying

apps/link/next.config.js

@@ -2,17 +2,10 @@
 const nextConfig = {
   reactStrictMode: true,
   publicRuntimeConfig: {
+    linkURL: process.env.LINK_URL,
     leafcutterURL: process.env.LEAFCUTTER_URL,
     metamigoURL: process.env.METAMIGO_URL,
   },
-  rewrites: async () => ({
-    fallback: [
-      {
-        source: "/:path*",
-        destination: "/api/proxy/:path*",
-      },
-    ],
-  }),
 };
 
 module.exports = nextConfig;