game: add: retrive view

games/urls.py

@@ -0,0 +1,9 @@
+from django.urls import path, re_path
+from django.conf import settings
+from django.conf.urls.static import static
+
+from .viewset import GameViewSet
+
+urlpatterns = [
+    path("<int:pk>", GameViewSet.as_view({"get": "retrieve"}), name="game_page"),
+]