Add delete message app command

src/main.py

@@ -118,6 +118,21 @@ async def on_application_command_completion(ctx: discord.ApplicationContext):
     )
 
 
+@bot.message_command(name="Delete Message")
+async def delete_message(ctx: discord.ApplicationContext):
+    await ctx.defer()
+    if not ctx.channel.permissions_for(ctx.me).manage_messages:
+        if ctx.message.author != bot.user:
+            return await ctx.respond("I don't have permission to delete messages in this channel.", delete_after=30)
+
+    log.info(
+        "%s deleted message %s>%s: %r", ctx.author, ctx.channel.name, ctx.message.id, ctx.message.content
+    )
+    await ctx.message.delete(delay=3)
+    await ctx.respond(f"\N{white heavy check mark} Deleted message by {ctx.message.author.display_name}.")
+    await ctx.delete(delay=15)
+
+
 if not CONFIG["jimmy"].get("token"):
     log.critical("No token specified in config.toml. Exiting. (hint: set jimmy.token in config.toml)")
     sys.exit(1)