userdb-api: fix typo, nignx => nginx

Author: RyanSquared

userdb-api/resources.yaml

@@ -53,7 +53,7 @@ metadata:
     external-dns.alpha.kubernetes.io/hostname: userdb.hashbang.sh
     nginx.ingress.kubernetes.io/rewrite-target: /$2
 spec:
-  ingressClassName: nignx
+  ingressClassName: nginx
   tls:
   - hosts:
     - userdb.hashbang.sh