upgrade backupmanager to v3 appinfo

appinfo.yml

@@ -1,6 +1,14 @@
-mainunit: backup-manager.timer
-mainunitfile: backup-manager.timer.j2
+version: 3
+mainunit: backup-manager
+plugins:
+  - type: builtin
+    name: backups_none
+enableunits:
+  - backup-manager.timer
+  - monitor.socket
 templatefiles:
+  - src: backup-manager.timer.j2
+    dest: ~/.config/systemd/user/backup-manager.timer
   - src: backup-manager.service.j2
     dest: ~/.config/systemd/user/backup-manager.service
   - src: backupmanager.j2
@@ -16,7 +24,6 @@ templatefiles:
   - src: monitor-test.sh.j2
     dest: ~/monitor-test.sh
     mode: "0755"
-backuptype: none
 configdefinition:
   "$id": "backup manager config"
   "$schema": "http://json-schema.org/draft-07/schema#"