Hard caps on creating projects/orgs/collections (#4430)

* implement backend limits on project creation

* implement collection, org creation hard caps

* Fix limit api

* Fix clippy

* Fix limits

* Update sqlx queries

* Address PR comments on user limit structure

* sqlx prepare and clippy

* fix test maybe

apps/labrinth/src/routes/v3/mod.rs

@@ -7,6 +7,7 @@ pub mod analytics_get;
 pub mod collections;
 pub mod friends;
 pub mod images;
+pub mod limits;
 pub mod notifications;
 pub mod organizations;
 pub mod payouts;
@@ -30,6 +31,7 @@ pub fn config(cfg: &mut web::ServiceConfig) {
     cfg.service(
         web::scope("v3")
             .wrap(default_cors())
+            .configure(limits::config)
             .configure(analytics_get::config)
             .configure(collections::config)
             .configure(images::config)