Add some 7th, 9th and other extensions to your chord vocabulary. If you like it then you shoulda put a #5 on it! Or was it I've got #5 on it?
Either way, here's a lesson on the most common chords and voicings you'll need to get started playing some jazz guitar. Complete with incorrect chord changes to I Will Survive (correct chords in the attached file).
Also, shoutout to Jer Roque for creating https://vgleadsheats.com