Make the existing playbooks pass the new checks

Strip trailing whitespace and blank lines, name the getent tasks, and fix Jinja spacing.

iot/roles/caddy/defaults/main.yaml

@@ -1,4 +1,3 @@
-
 caddy_container: caddy
 caddyfile_path: /var/lib/caddy/conf/Caddyfile
 snippet_block: |

iot/roles/caddy/handlers/main.yaml

@@ -4,4 +4,4 @@
   docker_container:
     name: "{{ caddy_container }}"
     state: started
-    restart: true
+    restart: true

iot/roles/caddy/tasks/main.yaml

@@ -19,4 +19,4 @@
     block: "{{ snippet_block }}"
     create: yes
   when: not snippet_present
-  notify: Restart caddy container
+  notify: Restart caddy container