* Add ability to configure a default filter (for #76)
* Add test for color of default filter
* Add basic test for default filter
* Add goldens for tests
* Add more tests for default filters
* Update goldens
* Add another golden
* Update goldens
* Remove debug log
* Add golden to allowlist
* Update goldens
* Add support for configuring the TUI color scheme, for #134
* Add tests for getting and setting the custom color scheme, and support full colors where terminals support them
* Add comments to document termenv.ANSI setting, and fix tests so they work uniformly