Added nano-text editor in CLI tools

README.md

@@ -175,6 +175,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/zyedidia/micro"><b>micro</b></a> - is a modern and intuitive terminal-based text editor.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://neovim.io/"><b>neovim</b></a> - is a free open source, powerful, extensible and usable code editor.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.spacemacs.org/"><b>spacemacs</b></a> - a community-driven Emacs distribution.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://www.nano-editor.org/"><b>nano</b></a>An easy to learn text editor.<br>
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 ##### :black_small_square: Files and directories