tree 63d1dd7994af9b0756b57ae060072f8988384ff4
parent 78af751e7db7f138622512b5a1914e5aae4185e5
author Felipe Monteiro <felipe.carneiro.monteiro@gmail.com> 1566745256 -0500
committer Felipe Monteiro <felipe.carneiro.monteiro@gmail.com> 1566745256 -0500

[doc] Fix docs job by adding _static folder to avoid Sphinx warning

This adds _static/.keep to doc/ folder to stop the Sphinx error:

Warning, treated as error:
html_static_path entry '_static' does not exist

https://zuul.opendev.org/t/openstack/build/41350c344d4d45b29418a492e9b32a27

Change-Id: Iac1ee43334fe0cd68a161c1779aa308905fc6d1a