feat: Add profile cog

This commit introduces the profile cog, which will handle user profile-related commands and functionalities.

cogs/profile_cog.py

@@ -0,0 +1,30 @@
+import discord
+from discord.ext import commands
+
+class ProfileCog(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+
+    @commands.command(name='avatar', help='Gets the avatar of a user in various formats.')
+    async def avatar(self, ctx, member: discord.Member = None):
+        """Gets the avatar of a user in various formats."""
+        if member is None:
+            member = ctx.author
+
+        formats = ['png', 'jpg', 'webp']
+        embed = discord.Embed(title=f"{member.display_name}'s Avatar")
+        embed.set_image(url=member.avatar.url)
+
+        description = ""
+        for fmt in formats:
+            try:
+                avatar_url = member.avatar.replace(format=fmt).url
+                description += f"[{fmt.upper()}]({avatar_url})\n"
+            except Exception as e:
+                description += f"{fmt.upper()}: Error getting format - {e}\n"
+
+        embed.description = description
+        await ctx.send(embed=embed)
+
+async def setup(bot):
+    await bot.add_cog(ProfileCog(bot))