UPDATE: handler before start game

internal/fs-service/fs.go

@@ -63,6 +63,19 @@ func (f *FSService) FileExists(path string) bool {
 	return false
 }
 
+func (f *FSService) GetDir(path string) string {
+	return filepath.Dir(path)
+}
+
+func (f *FSService) Join(paths ...string) string {
+	return filepath.Join(paths...)
+}
+
+func (f *FSService) RemoveFile(path string) error {
+	return os.Remove(path)
+}
+
+
 func (f *FSService) StartApp(path string) (bool, error) {
 	cmd := exec.Command(path)
 	err := cmd.Start()