Add enhanced route handler functionality and improve code

This commit provides the addition of a new enhanced route handler functionality for Next.js utilities. The handler facilitates additional functionality, allowing more control over HTTP requests. Changes also include improved code where 'zodParseFactory' functionality moved to utils for better code reuse and organization.

packages/next/package.json

@@ -10,7 +10,8 @@
   },
   "prettier": "@kit/prettier-config",
   "exports": {
-    "./actions": "./src/actions/index.ts"
+    "./actions": "./src/actions/index.ts",
+    "./routes": "./src/routes/index.ts"
   },
   "peerDependencies": {
     "@kit/auth": "workspace:*",