Add AWS::Pricing to ecosystem

Author: scmorrison

META.list

@@ -502,3 +502,4 @@ https://raw.githubusercontent.com/jonathanstowe/RPi-Device-PiGlow/master/META.in
 https://raw.githubusercontent.com/LLFourn/p6-CompUnit-Util/master/META6.json
 https://raw.githubusercontent.com/zoffixznet/perl6-IRC-Client-Plugin-Factoid/master/META.info
 https://raw.githubusercontent.com/jnthn/p6-test-io-socket-async/master/META.info
+https://raw.githubusercontent.com/scmorrison/perl6-aws-pricing/master/META.info