feat: add community contribution ranks

apps/gamification/apps.py

@@ -0,0 +1,10 @@
+from django.apps import AppConfig
+
+
+class GamificationConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "apps.gamification"
+    label = "gamification"
+
+    def ready(self):
+        from apps.gamification import signals  # noqa: F401