provieder/openstack: Add 'value_specs' support for openstack_networking_subnet_v2 provider. Updated provider documentation to support.
provieder/openstack: Add 'value_specs' support for openstack_networking_subnet_v2 provider.
Updated provider documentation to support.

haxorof/terraform-provider-openstack,haxorof/terraform-provider-openstack,haxorof/terraform-provider-openstack