Move utils to internal

internal/utils/root_context_windows.go

@@ -0,0 +1,23 @@
+// +build windows
+
+package utils
+
+import (
+	"context"
+	"os"
+	"os/signal"
+)
+
+func RootContext() context.Context {
+	ctx, cancel := context.WithCancel(context.Background())
+	sigChan := make(chan os.Signal, 1)
+
+	signal.Notify(sigChan, os.Interrupt)
+	go func() {
+		for range sigChan {
+			cancel()
+		}
+	}()
+
+	return ctx
+}