add: user follows, user blocks, ip bans

TODO: implement user following API endpoints
TODO: implement user blocking API endpoints
TODO: don't allow blocked users to interact with the users who blocked them

crates/core/src/model/reactions.rs

@@ -4,7 +4,7 @@ use tetratto_shared::{snow::AlmostSnowflake, unix_epoch_timestamp};
 /// All of the items which support reactions.
 #[derive(Serialize, Deserialize)]
 pub enum AssetType {
-    JournalPage,
+    Journal,
     JournalEntry,
 }