Follows (#172)

* Follows initial

* Fix #171, Fix #170, Fix #169, Fix #164

* More work on follows

* Fix compile error

* Upgrade meili version, add follows to search

src/database/models/mod.rs

@@ -6,6 +6,7 @@ use thiserror::Error;
 pub mod categories;
 pub mod ids;
 pub mod mod_item;
+pub mod notification_item;
 pub mod report_item;
 pub mod team_item;
 pub mod user_item;