Adding and dispatching ENDLIST_FOUND event when the playlist has the #EXT-X-ENDLIST. A user case for this is when a live event stop and the segmenter add the #EXT-X-ENDLIST in playlist this can help the player to take a decision when the live event is over
Exposing the ENDLIST_FOUND for the class HLSLoadFromDocumentElement so a custom player could register a listener for this event