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-6f72c853e139f23322fe6f1f02e4e07e5ae80b5dfca6dc041a03c0c7a30a5cf1.json

@@ -0,0 +1,17 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            INSERT INTO shared_instances (id, title, owner_id, current_version_id)\n            VALUES ($1, $2, $3, $4)\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Varchar",
+        "Int8",
+        "Int8"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "6f72c853e139f23322fe6f1f02e4e07e5ae80b5dfca6dc041a03c0c7a30a5cf1"
+}