Update README.md (#238)

Added toolui (built using Consolonia) and Consolonia itself

README.md

@@ -116,6 +116,7 @@ List of projects that provide terminal user interfaces
 - [sls-dev-tools](https://github.com/Theodo-UK/sls-dev-tools) Dev Tools for the Serverless World
 - [termdbms](https://github.com/mathaou/termdbms) A TUI for viewing and editing database files.
 - [terraform-tui](https://github.com/idoavrah/terraform-tui) view and interact with Terraform state
+- [toolui](https://github.com/jinek/ToolUI) Dotnet core application to manage installed nuget tools
 - [soft-serve](https://github.com/charmbracelet/soft-serve) A tasty, self-hostable Git server for the command lineicecream
 - [tig](https://github.com/jonas/tig) Text-mode interface for git
 - [vctui](https://github.com/thebsdbox/vctui) Console interface for vCenter
@@ -208,6 +209,7 @@ List of projects that provide terminal user interfaces
 - [blessings](https://github.com/erikrose/blessings) A **Python** wrapper lib for ncurses that makes your code pretty to look at
 - [bubbletea](https://github.com/charmbracelet/bubbletea) A **Go** framework based on Elm to build functional and stateful TUI apps, complete with extensions known as [bubbles](https://github.com/charmbracelet/bubbles)
 - [CursedGL](https://github.com/saccharineboi/CursedGL) A **C** notcurses-based software rasterizer inspired by OpenGL 1.X that renders directly to the terminal.
+- [Consolonia](https://github.com/jinek/Consolonia) Dotnet core terminal-based GUI framework with support of XAML
 - [FINAL CUT](https://github.com/gansm/finalcut) **C++** library for creating terminal applications with text-based widgets
 - [FTXUI](https://github.com/ArthurSonzogni/FTXUI) 💻 **C++** Functional Terminal User Interface. ❤️
 - [gocui](https://github.com/jroimartin/gocui) Minimalist **Go** package aimed at creating Console User Interfaces