feat!: rewrote the GUI and model for better testability #143

Job	Run time
Create release	5s
binaries (windows-latest, C:\Users\runneradmin\nasm\nasm, sointu-track.exe, -ldflags -H=windowsgu...	57s
binaries (windows-latest, C:\Users\runneradmin\nasm\nasm, sointu-compile.exe, cmd/sointu-compile/...	55s
binaries (windows-latest, C:\Users\runneradmin\nasm\nasm, sointu-track-native.exe, -ldflags -H=wi...	55s
binaries (windows-latest, C:\Users\runneradmin\nasm\nasm, sointu-vsti.dll, -buildmode=c-shared -t...	51s
binaries (windows-latest, C:\Users\runneradmin\nasm\nasm, sointu-vsti-native.dll, -buildmode=c-sh...	57s
binaries (ubuntu-latest, /home/runner/nasm/nasm, sointu-track, cmd/sointu-track/main.go, libegl-d...	54s
binaries (ubuntu-latest, /home/runner/nasm/nasm, sointu-compile, cmd/sointu-compile/main.go, libe...	42s
binaries (ubuntu-latest, /home/runner/nasm/nasm, sointu-track-native, -tags=native cmd/sointu-tra...	53s
binaries (macos-latest, /Users/runner/nasm/nasm, sointu-track, cmd/sointu-track/main.go)	49s
binaries (macos-latest, /Users/runner/nasm/nasm, sointu-compile, cmd/sointu-compile/main.go)	57s
binaries (macos-latest, /Users/runner/nasm/nasm, sointu-track-native, -tags=native cmd/sointu-tra...	50s
upload_release_asset	0s
	9m 45s

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