Updated sponsor section
Updated sponsor section

Added alt text and target="_blank" to open the link in a new window.
Ab1d/zen-audio-player.github.io,zen-audio-player/zen-audio-player.github.io,Ab1d/zen-audio-player.github.io,monicacheung/zen-audio-player.github.io,monicacheung/zen-audio-player.github.io,divayprakash/zen-audio-player.github.io,zen-audio-player/zen-audio-player.github.io,divayprakash/zen-audio-player.github.io