Update README.md

Adding starship cross-shell prompt.

README.md

@@ -96,6 +96,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Bash-it/bash-it"><b>bash-it</b></a> - is a framework for using, developing and maintaining shell scripts and custom commands.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://ohmyz.sh/"><b>Oh My ZSH!</b></a> - is the best framework for managing your Zsh configuration.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/oh-my-fish/oh-my-fish"><b>Oh My Fish</b></a> - the Fishshell framework.<br>
+  &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/starship/starship"><b>Starship</b></a> - the cross-shell prompt written in Rust.<br>
 </p>
 
 ##### :black_small_square: Managers