improve systemd file

templates/grafana-kiosk.service

@@ -1,18 +1,21 @@
 [Unit]
 Description=Grafana Kiosk
-Documentation=https://github.com/grafana/grafana-kiosk.git
-Documentation=https://grafana.com/blog/2019/05/02/grafana-tutorial-how-to-create-kiosks-to-display-dashboards-on-a-tv
 Documentation=https://github.com/DO1JLR/role-grafana-kiosk.git
+Documentation=https://github.com/grafana/grafana-kiosk.git
 After=network.target
 
 [Service]
 User={{ grafana_kiosk.user }}
+Restart = always
+RestartSec=5s
+Type=simple
 Environment="{{ grafana_kiosk.display }}"
-{% if not grafana_kiosk.general.autofit | bool -%}
-Enviroment="KIOSK_AUTOFIT={{ grafana_kiosk.general.autofit | ternary("true", "false") }}"
-{%- endif %}
 Environment="XAUTHORITY=/home/{{ grafana_kiosk.user }}/.Xauthority"
-ExecStart=/usr/bin/grafana-kiosk -c /etc/grafana-kiosk/config.yml
+ExecStart=
+  {%- if not grafana_kiosk.general.autofit | bool -%}
+    KIOSK_AUTOFIT={{ grafana_kiosk.general.autofit | ternary("true", "false") }}{{ ' ' }}
+  {%- endif -%}
+/usr/bin/grafana-kiosk -c /etc/grafana-kiosk/config.yml
 
 [Install]
 WantedBy=graphical.target

vars/main.yml

@@ -32,5 +32,5 @@ _dl_matrix:
   'armv6l': "grafana-kiosk.linux.armv6"
   'armv5l': "grafana-kiosk.linux.armv5"
 
-playbook_version_number: 12 # should be an integer
+playbook_version_number: 13 # should be an integer
 playbook_version_path: 'role-grafana-kiosk_roles-ansible_github.com.version' # unique string