fix: move local packages inside repo so remote server can install them

packages/ultra-message/routes/webhook.php

@@ -0,0 +1,7 @@
+<?php
+
+use Illuminate\Support\Facades\Route;
+use PromoSeven\UltraMessage\Http\Controllers\WebhookController;
+
+Route::post(config('ultra-message.webhook_path', 'ultra-message/webhook'), [WebhookController::class, 'handle'])
+    ->name('ultra-message.webhook');