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

trizen 286bef577e Regenerated all files to include latest updates from Rosettacode.		9 月之前
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Derangements.md	286bef577e Regenerated all files to include latest updates from Rosettacode.	9 月之前
Rank_of_a_permutation.md	286bef577e Regenerated all files to include latest updates from Rosettacode.	9 月之前