Trivial fix: Add spec website link to contributor doc
@@ -70,6 +70,7 @@ manila-test-image
manila-specs
| Design Specifications for the Shared File System service
| code: https://opendev.org/openstack/manila-specs
+ | published specs: https://specs.openstack.org/openstack/manila-specs/
| release model: no releases
| Launchpad: https://launchpad.net/manila
