Adds WeTTY to Gateways and Terminal Sharing (#3149)

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -1347,6 +1347,7 @@ Software that does not fit in another section.
 - [ViMbAdmin](https://www.vimbadmin.net/) - Provides a web based virtual mailbox administration system to allow mail administrators to easily manage domains, mailboxes and aliases. ([Source Code](https://github.com/opensolutions/ViMbAdmin)) `GPL-3.0` `PHP`
 - [Wallabag](https://www.wallabag.org) - Wallabag, formerly Poche, is a web application allowing you to save articles to read them later with improved readability. ([Source Code](https://github.com/wallabag/wallabag)) `MIT` `PHP`
 - [WeeWX](https://weewx.com/) - Open source software for your weather station. ([Demo](https://weewx.com/showcase.html), [Source Code](https://github.com/weewx/weewx)) `GPL-3.0` `Python`
+- [WeTTY](https://butlerx.github.io/wetty/#/) - Terminal in browser over http/https. ([Source Code](https://github.com/butlerx/wetty)) `MIT` `Docker/Nodejs`
 - [ytdl-webserver](https://github.com/Algram/ytdl-webserver) - Docker-ready webserver for downloading youtube videos. `MIT` `Nodejs`