Add separate ACL for openstackdocstheme

As discussed in oslo meeting[1], we are adding separate
ACL for openstackdocstheme deliverabes. Initially, oslo-core[2]
can be added as 'Included Groups' and after that oslo team can
add more core member.

[1] https://etherpad.opendev.org/p/epoxy-oslo-meeting-tracking#L93
[2] https://review.opendev.org/admin/groups/oslo-core

Change-Id: I448d889eaafaddc2271737d2df8e82647ef55dcd

gerrit/acls/openstack/openstackdocstheme.config

@@ -0,0 +1,14 @@
+[access]
+	inheritFrom = openstack/meta-config
+
+[access "refs/heads/*"]
+	abandon = group openstackdocstheme-core
+	label-Code-Review = -2..+2 group openstackdocstheme-core
+	label-Workflow = -1..+1 group openstackdocstheme-core
+
+[receive]
+	requireChangeId = true
+	requireContributorAgreement = true
+
+[submit]
+	mergeContent = true

gerrit/projects.yaml

@@ -4791,7 +4791,6 @@
     - python-openstackclient
 - project: openstack/openstackdocstheme
   description: Sphinx theme for RST-sourced documentation published to docs.openstack.org
-  acl-config: /home/gerrit2/acls/openstack/oslo-independent.config
   groups:
     - openstack-doc-tools
 - project: openstack/openstacksdk