Add descriptions on how to start HTTP servers for WPT and http tests.
Created attachment 456061 [details] Patch
Created attachment 456062 [details] Patch
Comment on attachment 456062 [details] Patch r=me
Committed r292082 (249009@main): <https://commits.webkit.org/249009@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456062 [details].
<rdar://problem/91013246>