Add middleware and refactor admin handlers for improved functionality

- Introduced `DependenciesMiddleware` and `BlacklistMiddleware` for enhanced request handling across all routers.
- Refactored admin handlers to utilize new middleware, improving access control and error handling.
- Updated the `admin_router` to include middleware for access checks and streamlined the process of banning users.
- Enhanced the structure of admin handler imports for better organization and maintainability.
- Improved error handling in various admin functions to ensure robust user interactions.

helper_bot/main.py

@@ -7,6 +7,8 @@ from helper_bot.handlers.admin import admin_router
 from helper_bot.handlers.callback import callback_router
 from helper_bot.handlers.group import group_router
 from helper_bot.handlers.private import private_router
+from helper_bot.middlewares.dependencies_middleware import DependenciesMiddleware
+from helper_bot.middlewares.blacklist_middleware import BlacklistMiddleware
 
 
 async def start_bot(bdf):
@@ -16,6 +18,10 @@ async def start_bot(bdf):
         link_preview_is_disabled=bdf.settings['Telegram']['preview_link']
     ), timeout=30.0)  # Добавляем таймаут для предотвращения зависаний
     dp = Dispatcher(storage=MemoryStorage(), fsm_strategy=FSMStrategy.GLOBAL_USER)
+    
+    # ✅ Глобальная middleware для всех роутеров
+    dp.update.outer_middleware(DependenciesMiddleware())
+
     dp.include_routers(admin_router, private_router, callback_router, group_router)
     await bot.delete_webhook(drop_pending_updates=True)
     await dp.start_polling(bot, skip_updates=True)