Merge pull request #3612 from syssecfsu/master

Update README.md to link to WiTTY

Author: Tyriar

README.md

@@ -187,6 +187,7 @@ Xterm.js is used in several world-class applications to provide great terminal e
 - [**FleetDeck**](https://fleetdeck.io): Remote desktop & virtual terminal
 - [**OpenSumi**](https://github.com/opensumi/core): A framework helps you quickly build Cloud or Desktop IDE products.
 - [**KubeSail**](https://kubesail.com): The Self-Hosting Company - uses xterm to allow users to exec into kubernetes pods and build github apps
+- [**WiTTY**](https://github.com/syssecfsu/witty): Web-based interactive terminal emulator that allows users to easily record, share, and replay console sessions.
 - [And much more...](https://github.com/xtermjs/xterm.js/network/dependents?package_id=UGFja2FnZS0xNjYzMjc4OQ%3D%3D)
 
 Do you use xterm.js in your application as well? Please [open a Pull Request](https://github.com/sourcelair/xterm.js/pulls) to include it here. We would love to have it on our list. Note: Please add any new contributions to the end of the list only.