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

.sqlx/query-220e59ae72edef546e3c7682ae91336bfba3e4230add1543910d80e846e0ad95.json

@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            SELECT m.id FROM mods m\n            INNER JOIN team_members tm ON tm.team_id = m.team_id AND tm.accepted = TRUE\n            WHERE tm.user_id = $1\n            ORDER BY m.downloads DESC\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": "Int8"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "220e59ae72edef546e3c7682ae91336bfba3e4230add1543910d80e846e0ad95"
+}