Allow to set `force` flag for acl's actions

Related PROD: https://mirantis.jira.com/browse/PROD-17362

Change-Id: Id24dc2e9998b656bffcd97731a90a78ac8158b26
diff --git a/README.rst b/README.rst
index dc04ece..dc22661 100644
--- a/README.rst
+++ b/README.rst
@@ -168,6 +168,7 @@
                 actions:
                 - name: pushSignedTag
                   group: openstack-salt-release
+                  force: true
             inherit_access: All-Projects
             require_change_id: true
             require_agreement: true
@@ -233,7 +234,7 @@
     [access "refs/tags/*"]
       pushTag = group Administrators
       pushTag = group Project Owners
-      pushSignedTag = group Administrators
+      pushSignedTag = +force group Administrators
       pushSignedTag = group Project Owners
     [label "Code-Review"]
       function = MaxWithBlock