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/
usr/include/
usr/lib/*/libtalkatu.so
usr/lib/*/pkgconfig/*.pc
usr/share/gir-1.0/
debian/tmp/usr/share/vala/vapi/talkatu.deps
debian/tmp/usr/share/vala/vapi/talkatu.vapi