doc: adds note about telethon vs telegram extractors

src/auto_archiver/modules/telegram_extractor/__manifest__.py

@@ -13,7 +13,7 @@
         The `TelegramExtractor` retrieves publicly available media content from Telegram message links without requiring login credentials. 
         It processes URLs to fetch images and videos embedded in Telegram messages, ensuring a structured output using `Metadata` 
         and `Media` objects. Recommended for scenarios where login-based archiving is not viable, although `telethon_archiver` 
-        is advised for more comprehensive functionality.
+        is advised for more comprehensive functionality, and higher quality media extraction.
         
         ### Features
 - Extracts images and videos from public Telegram message links (`t.me`).