correction syntax error

router.yml

@@ -74,6 +74,6 @@
         backup: yes
 
   handlers:
-    name: router-over-traefik
-    ansible.builtin.shell: /usr/local/sbin/router-over-traefik.sh
+    - name: router-over-traefik
+      ansible.builtin.shell: /usr/local/sbin/router-over-traefik.sh