rearange borgmatic setup and configuration

borgmatic/config/test.yaml

@@ -0,0 +1,18 @@
+source_directories:
+    - /tmp/
+
+repositories:
+    - path: /repo/test
+
+umask: 22
+
+compression: lz4
+archive_name_format: '{now:%Y-%m-%d_%H%M%S}'
+
+unknown_unencrypted_repo_access_is_ok: true
+relocated_repo_access_is_ok: true
+
+keep_hourly: 24
+keep_daily: 7
+keep_weekly: 4
+keep_monthly: 6