Add Square Tic Tac Toe (#166)

README.md

@@ -128,6 +128,7 @@ List of projects that provide terminal user interfaces
 - [onx](https://github.com/vyalovvldmr/onx) Noughts & Crosses client-server game with your partner. Based on textual and python.
 - [pokete](https://github.com/lxgr-linux/pokete) A terminal based Pokemon like game
 - [snake](https://github.com/wick3dr0se/snake) :video_game:  A super minimal TUI snake game written in pure BASH v5.1+
+- [Square Tic Tac Toe](https://github.com/learnbyexample/TUI-apps/tree/main/SquareTicTacToe) Like Tic Tac Toe, but form a square with 4 corners instead of a line
 - [sshtron](https://github.com/zachlatta/sshtron) multiplayer lightcycle game that runs through SSH
 - [steam-tui](https://github.com/dmadisetti/steam-tui) Just a simple TUI client for steamcmd. Allows for the graphical launching, updating, and downloading of steam games through a simple terminal client.
 - [sudoku-rs](https://github.com/MitchelPaulin/sudoku-rs) Sudoku built with tui-rs