Add Stein deliverable files

Adds deliverable stubs based on what was released in Rocky.

Change-Id: Idf2cd7b396da6e43f31b191f6646cce3749bf680
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

deliverables/stein/python-glanceclient.yaml

@@ -0,0 +1,8 @@
+---
+include-pypi-link: yes
+launchpad: python-glanceclient
+release-model: cycle-with-intermediary
+team: glance
+type: client-library
+repository-settings:
+  openstack/python-glanceclient: {}