talkatu/talkatu

Convert TalkatuView to Gtk4
gtk4
2022-01-31, Gary Kramlich
159cf1e35402
Convert TalkatuView to Gtk4

Testing Done:
Tested with `gtk4-builder-tool preview view.ui` and compiled with `ninja talkatu/libtalkatu.so.0.1.0.p/talkatuview.c.o` to verify there were no warnings/errors.

Reviewed at https://reviews.imfreedom.org/r/1255/
# Building
Talkatu uses [meson](https://mesonbuild.com) as it's build system.
Meson requires you to build in a directory other than the source directory.
To compile you can use the following commands:
```
meson build
cd build
ninja install
```