Fix argument specs

plays/services/roles/setup_system/meta/argument_spec.yml

@@ -4,7 +4,3 @@ argument_specs:
       ansible_hostname:
         type: "str"
         required: true
-      services_host_services:
-        type: "list"
-        elem: "str"
-        required: true

plays/services/roles/setup_user/meta/argument_spec.yml

@@ -7,6 +7,14 @@ argument_specs:
       services_service_name:
         type: "str"
         required: true
+      services_setup_user_shell:
+        type: "dict"
+        elem: "str"
+        required: true
+      services_host_services:
+        type: "dict"
+        elem: "dict"
+        required: true
       services_bridge_gateway:
         type: "str"
         required: true