feat: добавлена система миграций БД и CI/CD пайплайны

- Создана система отслеживания миграций (MigrationRepository, таблица migrations)
- Добавлен скрипт apply_migrations.py для автоматического применения миграций
- Созданы CI/CD пайплайны (.github/workflows/ci.yml, deploy.yml)
- Обновлена документация по миграциям в database-patterns.md
- Миграции применяются автоматически при деплое в продакшн

helper_bot/handlers/callback/services.py

@@ -1,36 +1,31 @@
-from datetime import datetime, timedelta
 import html
-from typing import Dict, Any
+from datetime import datetime, timedelta
+from typing import Any, Dict
 
-from aiogram import Bot
-from aiogram import types
+from aiogram import Bot, types
 from aiogram.types import CallbackQuery
-
-from helper_bot.utils.helper_func import (
-    send_text_message, send_photo_message, send_video_message, 
-    send_video_note_message, send_audio_message, send_voice_message,
-    send_media_group_to_channel, delete_user_blacklist, get_text_message
-)
 from helper_bot.keyboards.keyboards import create_keyboard_for_ban_reason
-from .exceptions import (
-    UserBlockedBotError, PostNotFoundError, UserNotFoundError, 
-    PublishError, BanError
-)
-from .constants import (
-    CONTENT_TYPE_TEXT, CONTENT_TYPE_PHOTO, CONTENT_TYPE_VIDEO,
-    CONTENT_TYPE_VIDEO_NOTE, CONTENT_TYPE_AUDIO, CONTENT_TYPE_VOICE,
-    CONTENT_TYPE_MEDIA_GROUP, MESSAGE_POST_PUBLISHED, MESSAGE_POST_DECLINED,
-    MESSAGE_USER_BANNED_SPAM, ERROR_BOT_BLOCKED
-)
+from helper_bot.utils.helper_func import (delete_user_blacklist,
+                                          get_text_message, send_audio_message,
+                                          send_media_group_to_channel,
+                                          send_photo_message,
+                                          send_text_message,
+                                          send_video_message,
+                                          send_video_note_message,
+                                          send_voice_message)
+# Local imports - metrics
+from helper_bot.utils.metrics import (db_query_time, track_errors,
+                                      track_media_processing, track_time)
 from logs.custom_logger import logger
 
-# Local imports - metrics
-from helper_bot.utils.metrics import (
-    track_media_processing, 
-    track_time, 
-    track_errors,
-    db_query_time
-)
+from .constants import (CONTENT_TYPE_AUDIO, CONTENT_TYPE_MEDIA_GROUP,
+                        CONTENT_TYPE_PHOTO, CONTENT_TYPE_TEXT,
+                        CONTENT_TYPE_VIDEO, CONTENT_TYPE_VIDEO_NOTE,
+                        CONTENT_TYPE_VOICE, ERROR_BOT_BLOCKED,
+                        MESSAGE_POST_DECLINED, MESSAGE_POST_PUBLISHED,
+                        MESSAGE_USER_BANNED_SPAM)
+from .exceptions import (BanError, PostNotFoundError, PublishError,
+                         UserBlockedBotError, UserNotFoundError)
 
 
 class PostPublishService: