Process EmojiReact() activity as Like()

src/activitypub/receiver.rs

@@ -337,7 +337,7 @@ pub async fn receive_activity(
                 deletion_queue.process(&config).await;
             });
         },
-        (LIKE, _) => {
+        (LIKE, _) | (EMOJI_REACT, _) => {
             let author = get_or_fetch_profile_by_actor_id(
                 db_client,
                 &config.instance(),

src/activitypub/vocabulary.rs

@@ -5,6 +5,7 @@ pub const ACCEPT: &str = "Accept";
 pub const ANNOUNCE: &str = "Announce";
 pub const CREATE: &str = "Create";
 pub const DELETE: &str = "Delete";
+pub const EMOJI_REACT: &str = "EmojiReact";
 pub const FOLLOW: &str = "Follow";
 pub const LIKE: &str = "Like";
 pub const REJECT: &str = "Reject";