oca-gen-addon-readme: Title level inconsistent using `~`

[moylop260]

Using the following PR:

• 13.0 mig sentry server-tools#1776

Running the following command:

• oca-gen-addon-readme --repo-name=server-tools --branch 13.0 --org-name=OCA --addon-dir=server-tools/sentry

The file output is:

https://gist.github.com/moylop260/97cece8c80ca4c6ed168ae38704c42df

RST check output is:

docutils.utils.SystemMessage: /tmp/tmpmm_bwpc7/sentry/README.rst:160: (SEVERE/4) Title level inconsistent:

Authors
~~~~~~~

I just googled a little bit and I found the following answer:

• https://stackoverflow.com/a/24504437

Should we change - instead of ~?

[moylop260]

Hi @sbidoul @legalsylvain
What do you think?

[sbidoul]

@moylop260 Only ~ is allowed as title underlines in README fragments, so there is no need to change. See also #455 (comment).