feat: backup+mail

roles/backup-vm/files/vsyncdir.conf

@@ -0,0 +1,19 @@
+[general]
+status_path = "~/.vdirsyncer/status/"
+
+[pair ths_caldav]
+a = "ths_remote_caldav"
+b = "ths_local_caldav"
+collections = ["from a"]
+
+[storage ths_remote_caldav]
+type = "caldav"
+read_only = true
+url = "https://ths.atlantishq.de/remote.php/dav/calendars/backup/ths_shared_by_ths/"
+username = "backup"
+password = "HISTORY_PURGED_SECRET"
+
+[storage ths_local_caldav]
+type = "filesystem"
+path = "~/ths-caldav/"
+fileext = ".ics"