[general] add sops support

machines/.sops.yaml

@@ -0,0 +1,15 @@
+# This example uses YAML anchors which allows reuse of multiple keys 
+# without having to repeat yourself.
+# Also see https://github.com/Mic92/dotfiles/blob/master/nixos/.sops.yaml
+# for a more complex example.
+keys:
+  - &admin_kalipso c4639370c41133a738f643a591ddbc4c3387f1fb
+  - &admin_kalipso_dsktp aef8d6c7e4761fc297cda833df13aebb1011b5d4
+  - &machine_moderatio 3b7027ab1933c4c5e0eb935f8f9b3c058aa6d4c2
+creation_rules:
+  - path_regex: moderatio/secrets/secrets.yaml$
+    key_groups:
+    - pgp:
+      - *admin_kalipso
+      - *admin_kalipso_dsktp
+      - *machine_moderatio