Linked computus.md to JavaScript, Typescript and Dart

Author: hugo-s29

contents/computus/computus.md

@@ -322,6 +322,12 @@ For now, we have the code outputting a tuple of $$d$$ and $$e$$, so users can us
 [import, lang:"nim"](code/nim/gauss_easter.nim)
 {% sample lang="scala" %}
 [import, lang:"scala"](code/scala/gauss_easter.scala)
+{% sample lang="dart" %}
+[import, lang:"dart"](code/dart/gauss_easter.dart)
+{% sample lang="javascript" %}
+[import, lang:"javascript"](code/javascript/gauss_easter.js)
+{% sample lang="typescript" %}
+[import, lang:"typescript"](code/typescript/gauss_easter.ts)
 {% endmethod %}