feat: add subscription and transaction repositories

- Implemented SubscriptionRepository with methods to get, create, and update subscriptions.
- Added BalanceTXRepository for creating and retrieving balance transactions.
- Introduced a test script for simulating Pally webhook for local testing.

bot/main.py

@@ -12,6 +12,7 @@ from config import settings
 from db.session import async_session
 from misc.pally import PallyClient
 from repositories.bills import BillsRepository
+from repositories.subscriptions import SubscriptionRepository
 from repositories.users import UserRepository
 from schemas.di import DependenciesDTO
 from services.billing_service import BillingService
@@ -26,9 +27,10 @@ async def main():
     pally_client = PallyClient(settings.pally_token)
 
     user_repository = UserRepository()
-    user_service = UserService(user_repository)
-
     bills_repository = BillsRepository()
+    subscriptions_repository = SubscriptionRepository()
+
+    user_service = UserService(user_repository, subscription_repository=subscriptions_repository)
     billing_service = BillingService(
         user_repository=user_repository, bills_repository=bills_repository
     )
@@ -45,6 +47,7 @@ async def main():
         pally_client=pally_client,
         bills_repository=bills_repository,
         billing_service=billing_service,
+        subscriptions_repository=subscriptions_repository,
     )
     dp.update.middleware.register(DIMiddleware(deps, async_session))