Update Day 104: add F1 help screenshot

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: global_name

_posts/2026-05-13-day-104-toastkeys.md

@@ -27,6 +27,10 @@ tags: [ToastKeys, Python, tkinter, pynput, 按键监控, 跨平台]
 
 ![Space](https://raw.githubusercontent.com/build-your-own-x-with-ai/ToastKeys/main/Screenshots/Space.png)
 
+F1 Help
+
+![F1](https://raw.githubusercontent.com/build-your-own-x-with-ai/ToastKeys/main/Screenshots/F1.png)
+
 ### 不同按键类型展示
 
 **字母键** - 绿色大字体