talkatu/talkatu

Migrate to gi-docgen and remove the doc comments that were gtk-doc specific

2021-10-18, Gary Kramlich
5bb988234c35
Migrate to gi-docgen and remove the doc comments that were gtk-doc specific

Testing Done:
Build the docs locally and via the convey plan.

Reviewed at https://reviews.imfreedom.org/r/1056/
<?xml version="1.0" encoding="UTF-8"?>
<gresources>
<gresource prefix="/org/imfreedom/keep/talkatu/talkatu/ui/demo">
<file compressed="true">demo.ui</file>
</gresource>
</gresources>