replace drf by django-ninja

counter/schemas.py

@@ -0,0 +1,13 @@
+from ninja import ModelSchema
+
+from core.schemas import SimpleUserSchema
+from counter.models import Counter
+
+
+class CounterSchema(ModelSchema):
+    barmen_list: list[SimpleUserSchema]
+    is_open: bool
+
+    class Meta:
+        model = Counter
+        fields = ["id", "name", "type", "club", "products"]