feat(misc): allows user edition, templating of the home, and more

mailout.yml.sample

@@ -5,7 +5,12 @@ postgres:
   user: postgres
   password: postgres123
   sslmode: disable
-defaultProvider: ovh
+defaults:
+  provider: ovh
+  # this is used to create the `home` field of the user.
+  # in systems with virtual mail this corresponds to the physical
+  # location of the vmail directory on your host
+  homeTemplate: "/var/lib/vmail/{{ .Domain }}/{{ .Username }}"
 providers:
   ovh:
     application_key: <CHANGEME>