add get config query

src/state/queries/email-verification-required.ts

@@ -0,0 +1,25 @@
+import {useQuery} from '@tanstack/react-query'
+
+interface ServiceConfig {
+  checkEmailConfirmed: boolean
+}
+
+export function useServiceConfigQuery() {
+  return useQuery({
+    queryKey: ['service-config'],
+    queryFn: async () => {
+      const res = await fetch(
+        'https://api.bsky.app/xrpc/app.bsky.unspecced.getConfig',
+      )
+      if (!res.ok) {
+        return {
+          checkEmailConfirmed: false,
+        }
+      }
+
+      const json = await res.json()
+      return json as ServiceConfig
+    },
+    staleTime: 5 * 60 * 1000,
+  })
+}