added on_join.py

cogs/on_join.py

@@ -0,0 +1,20 @@
+import logging
+import os
+import discord
+from discord.ext import commands
+
+
+class OnJoin(commands.Cog):
+
+    def __init__(self, bot):
+        self.bot = bot
+        self.logger = logging.getLogger("bot")
+
+    @commands.Cog.listener()
+    async def on_member_join(self, member: discord.Member):
+        channel = self.bot.get_channel(346102473993355267)
+        await channel.send(f"{member.mention} WHO??? :thinking_face:")
+        self.logger.info(f"Member {member.name} joined")
+
+async def setup(bot):
+    await bot.add_cog(OnJoin(bot))