Add channel deduplication

breadtube_bot/config.py

@@ -10,6 +10,7 @@ class Config:
     bot_channel_scan_interval: float = 30.
     bot_channel_init_retries: int = 3
     bot_message_duration: float = 150.
+    delete_duplicate_channels: bool = True
     request_timeout: float = 3.
     unmanaged_categories: str = ''
     youtube_channel_refresh_interval: float = 600