add zuul jobs (#1)

Enable zuul jobs

Reviewed-by: OpenTelekomCloud Bot <None>
Reviewed-by: Vladimir Hasko <vladimirhasko@gmail.com>

roles/fetch_doc_artifacts/tasks/patch.yaml

@@ -0,0 +1,31 @@
+- block:
+    - name: Fetch archive
+      synchronize:
+        dest: "{{ zuul.executor.log_root }}/{{ fetch_doc_artifacts_name }}.patch"
+        mode: pull
+        src: "{{ fetch_doc_artifacts_patch }}"
+        verify_host: true
+        owner: no
+        group: no
+  when: not zuul_use_fetch_output
+
+- block:
+    - name: Copy archive
+      copy:
+        dest: "{{ zuul_output_dir }}/logs/{{ fetch_doc_artifacts_name }}.patch"
+        src: "{{ fetch_doc_artifacts_patch }}"
+        mode: 0644
+        remote_src: true
+  when: zuul_use_fetch_output
+
+- name: Return artifact to Zuul
+  zuul_return:
+    data:
+      zuul:
+        artifacts:
+          - name: "{{ fetch_doc_artifacts_name }} patch"
+            url: "patches/{{ fetch_doc_artifacts_name }}.patch"
+            metadata:
+              type: docs_patch
+              doc_service: "{{ doc.service }}"
+              doc_type: "{{ doc.type }}"