feat: setup and roles

server/utils/setup.ts

@@ -0,0 +1,12 @@
+import { users } from '~~/drizzle/schema';
+import { db } from '~~/server/lib/db';
+
+/**
+ * An instance needs setting up for as long as it has no accounts. The first
+ * account is created by the setup page and becomes the admin.
+ */
+export const isSetupNeeded = async (): Promise<boolean> => {
+    const existing = await db.select({ id: users.id }).from(users).limit(1);
+
+    return existing.length === 0;
+};