Add IRC::Client::Plugin::Factoid to ecosystem

IRC::Client plugin providing capabilities of a factoid bot: https://github.com/zoffixznet/perl6-IRC-Client-Plugin-Factoid

Author: zoffixznet

META.list

@@ -500,3 +500,4 @@ https://raw.githubusercontent.com/dankogai/p6-num-hexfloat/master/META.info
 https://raw.githubusercontent.com/jonathanstowe/RPi-Device-SMBus/master/META.info
 https://raw.githubusercontent.com/jonathanstowe/RPi-Device-PiGlow/master/META.info
 https://raw.githubusercontent.com/LLFourn/p6-CompUnit-Util/master/META6.json
+https://raw.githubusercontent.com/zoffixznet/perl6-IRC-Client-Plugin-Factoid/master/META.info