trizen/raku-rosettacode: Tasks from Rosettacode implemented in Raku @ 22.07

trizen fc8949ad1c Updated.		%!s(int64=3) %!d(string=hai) anos
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99_bottles_of_beer.md	1143259223 Update.	%!s(int64=3) %!d(string=hai) anos
9_billion_names_of_God_the_integer.md	986b637005 Gitbook does not yet understand the `raku` language tag. Revert to `perl`.	%!s(int64=4) %!d(string=hai) anos