Embed media group processing at the library level.

[Pankovea]

I suggest adding a new type of handler for the media group.

bot = AsyncTeleBot(
    token='TOKEN',
    media_groups=True,  # Enable media group processing
    media_group_timeout=1.5  # Group collect timeout
)

# Method 1: A single handler for all media groups
@bot.media_group_handler()
async def handle_media_group(messages: List[Message]):
    """Handles any media group"""
    count_in_group = len(messages)
    await bot.send_message(msg.chat.id, f"Received media group with {count_in_group} messages")

# Method 2: Filtering by content type
@bot.media_group_handler(content_types=['photo'])
async def handle_photo_video_group(messages: List[Message]):
    """Processes groups of photos"""
    ...

Backward compatibility - the old code continues to work