feat: basic admin interface

server/api/admin/instance.get.ts

@@ -0,0 +1,9 @@
+export default defineEventHandler(async (event) => {
+    await protectAdminRoute(event);
+
+    return {
+        registration: await getRegistrationMode(),
+        // set when DISABLE_SIGNUP in the environment overrules the setting
+        registrationLocked: isRegistrationLocked(),
+    };
+});