Merge branch 'master' into async_handlers

Author: jerch

README.md

@@ -171,6 +171,7 @@ Xterm.js is used in several world-class applications to provide great terminal e
 - [**TRASA**](https://trasa.io): Zero trust access to Web, SSH, RDP and Database services.  
 - [**Commas**](https://github.com/CyanSalt/commas): Commas is a hackable terminal and command runner.
 - [**Devtron**](https://github.com/devtron-labs/devtron): Software Delivery Workflow For Kubernetes. 
+- [**NxShell**](https://github.com/nxshell/nxshell): An easy to use new terminal for SSH.
 [And much more...](https://github.com/xtermjs/xterm.js/network/dependents)
 
 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 in our list. Note: Please add any new contributions to the end of the list only.