Fix pre-commit hooks and move directories

roles/ and inventory/ are now in playbooks/
also fixed issues reported by ansible-lint

playbooks/roles/backup/templates/backup.service.j2

@@ -0,0 +1,11 @@
+[Unit]
+Description=Run the backup script
+StartLimitIntervalSec=7200
+StartLimitBurst=5
+
+[Service]
+Type=oneshot
+ExecStart={{ (service_path, 'backup.sh') | path_join }}
+WorkingDirectory={{ service_path }}
+Restart=on-failure
+RestartSec=15min

playbooks/roles/backup/templates/backup.sh.j2

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+{{ backup_hc_command_start }}
+
+if autorestic backup -av --ci
+then
+    {{ backup_hc_command_success }}
+    {{ backup_gatus_command_success }}
+else
+    {{ backup_hc_command_fail }}
+    {{ backup_gatus_command_fail }}
+fi