Merge pull request #271 from astj/add-sql-namedplaceholder

Add SQL::NamedPlaceholder

Author: Altai-man

META.list

@@ -750,3 +750,4 @@ https://raw.githubusercontent.com/adaptiveoptics/HTML-Tag/master/META6.json
 https://raw.githubusercontent.com/p6-css/perl6-CSS-Declarations/master/META6.json
 https://raw.githubusercontent.com/skaji/perl6-WaitGroup/master/META6.json
 https://raw.githubusercontent.com/jonathanstowe/Manifesto/master/META6.json
+https://raw.githubusercontent.com/astj/p6-SQL-NamedPlaceholder/master/META.info