Zuul: start with multiple tenants

Change-Id: Ie08ea7c86c3cf15272136ce2f90fe5bf529d62d8
diff --git a/roles/zuul_server/tasks/main.yaml b/roles/zuul_server/tasks/main.yaml
index 8deca8d..e52dd4f 100644
--- a/roles/zuul_server/tasks/main.yaml
+++ b/roles/zuul_server/tasks/main.yaml
@@ -12,6 +12,7 @@
     zuul_pip_executable: /opt/rh/rh-python36/root/bin/pip
     zuul_pip_extra_args: "--install-option='--install-scripts=/usr/local/bin'"
     zuul_file_zuul_conf_src: files/zuul/zuul.conf
+    zuul_file_main_yaml_src: files/zuul/main.yaml
 
 - name: Provision Zuul SSH directory
   file: