A job which simply runs project's own ci/build.sh

One cannot apparently inherit playbooks from a parent job, so let's copy
that Ansible file from the zuul-jobs repo and be done with it.

Change-Id: Iabb64d36f23f451b9b46372e54c0d19d82587a04
diff --git a/zuul.yaml b/zuul.yaml
new file mode 100644
index 0000000..c3077ab
--- /dev/null
+++ b/zuul.yaml
@@ -0,0 +1,7 @@
+- job:
+    name: run-ci-build-sh
+    description: |
+      Run project's ./ci/build.sh script.
+    run: playbooks/run-test-command/run.yaml
+    vars:
+      test_command: "ci/build.sh"