Confirm that help message was sent

src/commands/mod.rs

@@ -139,6 +139,7 @@ Misc.:
 Visit the Discord for more help: https://discord.gg/GbN7HeG")) {
 		bail!("could not send DM");
 	} else {
+		let _ = msg.channel_id.say("Direct message sent sucessfully!");
 		Ok(())
 	}
 }