Added Kahns Algorithm#1805

4bhayG wants to merge 2 commits intoTheAlgorithms:masterTheAlgorithms/#"/4bhayG/JavaScript/tree/Add/Kahns_Algorithm" aria-describedby=":Rdsn1d:">4bhayG:Add/Kahns_Algorithm4bhayG/#"IconButton" type="button" data-loading="false" data-no-visuals="true" data-size="small" data-variant="invisible" aria-describedby=":R7lsn1d:-loading-announcement" aria-labelledby=":Rlsn1d:">Copy head branch name to clipboard