[chore] Global project refactoring

backend/project/api/ping/views.py

@@ -0,0 +1,9 @@
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+
+class PingApiView(APIView):
+    def get(self, request):  # noqa: ARG002
+        data = "ok"
+        return Response(data, status=status.HTTP_200_OK)