Add message after sending roll request

src/discord/joke.rs

@@ -267,8 +267,8 @@ async fn real_roll(ctx: &Context, msg: &Message, _args: Args) -> CommandResult {
 
     let grpc_request = tonic::Request::new(roll_request);
     
-
     let response = client.send_request(grpc_request).await?;
+    msg.reply(&ctx.http, "Sent roll request, please hang on!").await?;
 
     let raas_response = response.into_inner();