adds redirect for /api to developer.cal.com (#2517)

Co-authored-by: Agusti Fernandez Pardo <git@agusti.me>

apps/docs/next.config.js

@@ -3,4 +3,14 @@ const withNextra = require("nextra")({
   themeConfig: "./theme.config.js",
   unstable_staticImage: true,
 });
-module.exports = withNextra();
+module.exports = withNextra({
+  async rewrites() {
+    return [
+      // This redirects requests recieved at / the root to the /api/ folder.
+      {
+        source: "/api",
+        destination: "https://developer.cal.com/",
+      },
+    ];
+  },
+});