Add /api/realm/upgrade endpoint

Author: switz

package.json

@@ -41,6 +41,7 @@
     "react-redux": "^8.1.2",
     "react-timeago": "^8.2.0",
     "react-use-cookie": "^1.6.1",
+    "realm": "11.10.2",
     "redux": "^4.2.1",
     "tailwind-merge": "^3.3.1",
     "thenby": "^1.3.4",