added clipcascade

ClipCascade/cli/message_box.py

@@ -0,0 +1,4 @@
+class MessageBox:
+    def askquestion(self, title, message):
+        response = input(f"{title}\n{message} (y/n): ").strip().lower()
+        return "yes" if (response.lower().strip() == "y") else "no"