Add 'Share Text Online Live' resource to README

Added a new resource for sharing text online with secure links.

Author: zhugezifang

README.md

@@ -192,6 +192,7 @@ _Source:_ [Google Developers - Progressive Web Apps](https://developers.google.c
 * [ztable.io](https://ztable.io/): Z-Table lookup & Z-Score calculator.
 * [webpushtest](https://webpushtest.com/): Web Push Notifications Demo
 * [Online Notepad With Share](https://onlinenotepad101.org/): Online Notepad – Free Online Text Editor & Notes Sharing
+* [Share Text Online Live](https://share-text.org/): Share Text Online Live——Create, edit, and share text online with secure links and QR codes – No Login and registration required
 
 ## Tutorials