add Alacritty

Alacritty is A fast, cross-platform, OpenGL terminal emulator

README.md

@@ -393,6 +393,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Guake/guake"><b>Guake</b></a> - is a dropdown terminal made for the GNOME desktop environment.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://gnometerminator.blogspot.com/p/introduction.html"><b>Terminator</b></a> - is based on GNOME Terminal, useful features for sysadmins and other users.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://sw.kovidgoyal.net/kitty/"><b>Kitty</b></a> - is a GPU based terminal emulator that supports smooth scrolling and images.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/alacritty/alacritty"><b>Alacritty</b></a> - is A fast, cross-platform, OpenGL terminal emulator.<br>
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