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

trizen 986b637005 Gitbook does not yet understand the `raku` language tag. Revert to `perl`.		4 yıl önce
..
Element_definition.md	986b637005 Gitbook does not yet understand the `raku` language tag. Revert to `perl`.	4 yıl önce
Element_insertion.md	986b637005 Gitbook does not yet understand the `raku` language tag. Revert to `perl`.	4 yıl önce
Element_removal.md	986b637005 Gitbook does not yet understand the `raku` language tag. Revert to `perl`.	4 yıl önce
Traversal.md	986b637005 Gitbook does not yet understand the `raku` language tag. Revert to `perl`.	4 yıl önce