Add mqttui (#155)

README.md

@@ -218,6 +218,7 @@ List of projects that provide terminal user interfaces
 - [jrnl](https://jrnl.sh/) Collect your thoughts and notes without leaving the command line. human-friendly. future-proof. secure.
 - [lnav](https://lnav.org/) An advanced log file viewer for the small-scale
 - [mapscii](https://github.com/rastapasta/mapscii) Braille & ASCII world map renderer for your console
+- [mqttui](https://github.com/EdJoPaTo/mqttui) MQTT Client written in rust
 - [neoss](https://github.com/PabloLec/neoss) Socket statistics visualization and explanation tool for Unix systems.
 - [nmtui](https://developer.gnome.org/NetworkManager/stable/nmtui.html) ncurses network manager
 - [oha](https://github.com/hatoo/oha) HTTP load generator