* Represent window if it already exists
* Always include config.h
* Make RugbyListScore:score not unsigned
* Remove drawing frame because it doesn't do anything

No more copyright symbol (ends up as "Copyright copyright"
Add SPDX things to all of them
Add a missing one

Need to reimplement:
	Filtering
	A nicer UI than a bunch of labels

Fixes #2

Menu doesn't work, have to use <Primary>+a

Rather than GtkBuilder directly