talkatu/talkatu

Add the gir target to the library dependency object and other meson cleanups.

2021-09-25, Gary Kramlich
953536539d73
Add the gir target to the library dependency object and other meson cleanups.

Testing Done:
Compiled

Reviewed at https://reviews.imfreedom.org/r/941/
<?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>