change the horse emoji to make braydon happy

src/handlers/horse.rs

@@ -10,7 +10,7 @@ pub struct HorseHandler;
 #[async_trait]
 impl LineHandler for HorseHandler {
 	async fn message(&self, ctx: &Context, msg: &Message) {
-		let reaction = match ReactionType::from_str("🐎") {
+		let reaction = match ReactionType::from_str("🐴") {
 			Ok(x) => x,
 			Err(_) => return,
 		};