Add volume role and support setting volume owner

Add volume role
container: Use volume role, including support for user and group

roles/container/vars/main.yaml

@@ -1,4 +1,25 @@
 ---
+_container_volumes: "{{ container_mounts | selectattr('type', '==', 'volume') }}"
+
+_container_mount_sources: "{{ container_mounts | map(attribute='source') }}"
+_container_mount_destinations: "{{ container_mounts | map(attribute='destination') }}"
+
+_container_volume_mount_sources: >-
+  {{
+    _container_volumes
+    | map(attribute='source')
+    | map('regex_replace', '$', '.volume')
+    | map('community.general.dict_kv', 'source')
+  }}
+
+_container_mounts: >-
+  {{
+    container_mounts | selectattr('type', '!=', 'volume') +
+    container_mounts | selectattr('type', '==', 'volume')
+      | community.general.remove_keys(['user', 'group'])
+      | zip(_container_volume_mount_sources) | map('combine')
+  }}
+
 _container_quadlet_unit_options: |
   [Unit]
   Description=Container {{ container_name }}