feat: implement billing system with Pally integration

- Added billing models and repository for handling bills.
- Introduced BillingService to manage payment initiation and bill creation.
- Updated user service to remove ticket-related functionality.
- Refactored settings to include new billing-related fields.
- Removed ticket-related handlers and schemas.
- Added new billing handlers for processing payments.
- Updated database schema with new bills table and status enum.
- Enhanced utility functions to calculate prices considering discounts.
- Introduced prehandling for non-private messages.
- Updated main application to initialize new billing services and repositories.

docker-compose.yml

@@ -31,7 +31,6 @@ services:
       BOT_TOKEN: ${BOT_TOKEN}
       POSTGRES_URL: postgresql+asyncpg://${POSTGRES_USER:-malenia}:${POSTGRES_PASSWORD:-malenia_password}@postgres:5432/${POSTGRES_DB:-malenia_db}
       PROXY: ${PROXY:-}
-      ADMIN_GROUP_ID: ${ADMIN_GROUP_ID}
       REMNAWAVE_URL: ${REMNAWAVE_URL}
       SUBSCRIPTION_URL: ${SUBSCRIPTION_URL}
       REMNAWAVE_TOKEN: ${REMNAWAVE_TOKEN}
@@ -40,6 +39,8 @@ services:
       PER_DEVICE_COST: ${PER_DEVICE_COST:-50}
       WHITELIST_COST: ${WHITELIST_COST:-100}
       WHITELIST_DEVICE_THRESHOLD: ${WHITELIST_DEVICE_THRESHOLD:-6}
+      PALLY_TOKEN: ${PALLY_TOKEN}
+      PALLY_SHOP_ID: ${PALLY_SHOP_ID}
     restart: unless-stopped
 
 volumes: