chore(): switched all fields in contract to snake_case and linting improvements

src/backend/api/v1/router.py

@@ -8,6 +8,7 @@ from ninja.renderers import BaseRenderer
 
 from api.v1 import handlers
 from api.v1.auth.endpoints import router as auth_router
+from api.v1.flags.endpoints import router as flags_router
 from api.v1.reviews.endpoints import router as reviews_router
 from api.v1.users.endpoints import router as users_router
 
@@ -23,7 +24,7 @@ class ORJSONRenderer(BaseRenderer):
 
     def default(self, obj: Any) -> Any:
         if isinstance(obj, Schema):
-            return obj.model_dump(by_alias=True)
+            return obj.model_dump()
         raise TypeError
 
 
@@ -41,6 +42,11 @@ router.add_router(
     auth_router,
 )
 
+router.add_router(
+    "flags",
+    flags_router,
+)
+
 router.add_router(
     "users",
     users_router,