fix defaults

defaults/main.yml

@@ -19,7 +19,7 @@ invidious_config:
     port: 5432
   check_tables: true
   external_port: 443
-  domain: {{ invidious_hostname }}
+  domain: "{{ invidious_hostname }}"
   https_only: true
   statistics_enabled: true
   use_quic: true
@@ -54,7 +54,6 @@ docker_compose_options:
         retries: 2
       depends_on:
         - invidious-db
-
     invidious-db:
       image: docker.io/library/postgres:14
       restart: unless-stopped