Merge pull request #291 from ronaldxs/master

Add US-ASCII to ecosystem

Author: lizmat

META.list

@@ -773,3 +773,4 @@ https://raw.githubusercontent.com/FCO/DateTime-Extended/master/META6.json
 https://raw.githubusercontent.com/kalkin/License-Software/master/META6.json
 https://raw.githubusercontent.com/kalkin/Ddt/master/META6.json
 https://raw.githubusercontent.com/jnthn/p6-data-textorbinary/master/META6.json
+https://raw.githubusercontent.com/ronaldxs/Perl6-US-ASCII/master/META6.json