doc: update README.md

Author: jaywcjlove

packages/core/README.md

@@ -96,6 +96,7 @@ Example:
 My macOS app's official website is also built with it:
 
 <p style="display: inline-block">
+    <a target="_blank" href="https://wangchujiang.com/daybar/" title="DayBar for macOS"><img align="center" alt="DayBar" height="50" width="50" src="https://github.com/user-attachments/assets/b67d4a2e-92e2-4d8c-8c6f-2a1eb3e2fa93"></a>
     <a target="_blank" href="https://wangchujiang.com/iconed/" title="Iconed for macOS"><img align="center" alt="Iconed" height="50" width="50" src="https://github.com/user-attachments/assets/8a35dc7b-4faf-4e2a-9311-f66d6844a896"></a>
     <a target="_blank" href="https://wangchujiang.com/rightmenu-master/" title="RightMenu Master for macOS"><img align="center" alt="RightMenu Master" height="50" width="50" src="https://github.com/user-attachments/assets/39a76541-71bf-4de7-a01c-c62f0557dff5"></a>
     <a target="_blank" href="https://wangchujiang.com/paste-quick/" title="Paste Quick for macOS"><img align="center" alt="Quick RSS" height="50" width="50" src="https://github.com/user-attachments/assets/bdaad5b7-9810-44ce-8f17-8410864465d2"></a>