Link to Contribution markdown file incorrect in API Doc

[jeipollack]

Tested API build with manual trigger and noticed the link to the Contribution markdown file is incorrect in the index.rst file.

[nadamoukaddem]

I couldn't find the link you mentioned. Could you please provide more details or point me in the right direction?

[jeipollack]

wf-psf/docs/source/index.rst

Line 35 in 8186939

`Contributing to WaveDiff <../../CONTRIBUTING.md>`_.

This was your addition that was pushed to develop. The link is broken.

[nadamoukaddem]

I fixed the link.