Add job for comparing doc content to the current

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: gtema <artem.goncharov@gmail.com>
Co-committed-by: gtema <artem.goncharov@gmail.com>

roles/compare/tasks/main.yaml

@@ -0,0 +1,5 @@
+- name: Verify document {{ doc_label }} matches the one in the current HC
+  args:
+    executable: "/bin/bash"
+    chdir: "{{ ansible_user_dir }}/{{ zuul.project.src_dir }}"
+  ansible.builtin.shell: "source {{ ansible_user_dir }}/.venv/bin/activate; otc-convert-compare {{ compare_html_location }} {{ compare_hc_location }}"

roles/convert_doc/tasks/main.yaml

@@ -30,7 +30,6 @@
   ansible.builtin.set_fact:
     convert_params: "{{ convert_params }} --templates-location {{ zuul_work_dir }}/templates"
 
-
 - name: Convert {{ doc_label | default('') }} HTML to RST
   args:
     executable: "/bin/bash"