chore: add submodule and basic setup files

src/main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fyne.io/fyne/app"
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/theme"
+)
+
+//go:embed icon.ico
+var iconData []byte
+
+func main() {
+	iconResource := fyne.NewStaticResource("./src/icon.ico", iconData)
+
+	app := app.NewWithID("nl.systemec.patchworks")
+	app.Settings().SetTheme(theme.DefaultTheme())
+	app.SetIcon(iconResource)
+
+}