v1.5.2

• Added support for subreddit in the auto meme feature.
• Updated the database schema.
  • Changed auto_meme_channel_id (BigIntField) to auto_meme (JSONField with default {"channel_id": None, "subreddit": None}).
• Updated the /meme command to support fetching memes from a specified subreddit.
  • Changed /meme to /meme [subreddit].
  • If no subreddit is specified, it fetches memes from a random subreddit.
• Updated /setting auto-meme-channel <channel> to /setting auto-meme <channel> [subreddit] to allow setting a specific subreddit for the auto meme feature.
  • By default, it fetches memes from random subreddits if no subreddit is specified.
• Fixed embed color error in the Fun cog.
• Added error handling for NSFW memes.