fix

apps/nextcloud/index.yaml

@@ -21,7 +21,7 @@ options:
     examples:
     - your-company
     type: string
-  app-group:
+  app_group:
     default: ''
     examples:
     - ''
@@ -36,12 +36,12 @@ options:
     examples:
     - letsencrypt-prod
     type: string
-  domain-name:
+  domain_name:
     default: your_company.com
     examples:
     - your_company.com
     type: string
-  ingress-class:
+  ingress_class:
     default: traefik
     examples:
     - traefik
@@ -497,7 +497,7 @@ options:
         default: '14'
         type: string
     type: object
-  sub-domain:
+  sub_domain:
     default: files
     examples:
     - files