Merge pull request #5247 from mathiscode/patch-1

Update README.md - add ecmaOS as Use Case

Author: Tyriar

README.md

@@ -226,6 +226,7 @@ Xterm.js is used in several world-class applications to provide great terminal e
 - [**OpenSFTP**](https://opensftp.com): Super beautiful SSH and SFTP integrated workspace client.
 - [**balena**](https://www.balena.io/): Balena is a full-stack solution for developing, deploying, updating, and troubleshooting IoT Edge devices. We use xterm.js to manage & debug devices on [balenaCloud](https://www.balena.io/cloud).
 - [**Filet Cloud**](https://github.com/fuglaro/filet-cloud): The lean and powerful personal cloud ⛅.
+- [**ecmaOS**](https://ecmaos.sh): A kernel and suite of applications tying modern web technologies into a browser-based operating system.
 - [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.