added current version api call

src/Controller/APIController.php

@@ -16,6 +16,7 @@ use App\Entity\Ad;
 class APIController extends AbstractController
 {
     public $currentVersion = 1;
+    public $clientVersion = [1, 0, 0];
 
     /**
      * @Route("/api/ping", name="api.ping")
@@ -25,6 +26,14 @@ class APIController extends AbstractController
         return new JsonResponse(['version' => $this->currentVersion, 'status' => 200, 'pong' => true]);
     }
 
+    /**
+     * @Route("/api/currentVersion", name="api.currentVersion")
+     */
+    public function currentVersion()
+    {
+        return new JsonResponse(['version' => $this->currentVersion, 'status' => 200, 'data' => $this->clientVersion]);
+    }
+
     /**
      * @Route("/api/songs/new/{offset}", name="api.songs.new")
      */