chore(main): release 3.4.0

:robot: Release candidate PR :rocket:

add creationMode property to RqgActorData (#639) (43d0ed5)
apply edit mode to sheet (#667) (d6361c9)
background tab biography field should be player editable (fedb9b3), closes #670
edit mode button using _getHeaderButtons (#663) (3e6be1d)
find a way to drag a weapon to an actor without adding the weapon skill (52a1175), closes #450
let players (and GM) add gear directly from actorSheet (7154350), closes #671
loosen duplicate embedded item name check (a399a0f), closes #672
name new gear as gear, currency or consumable (ee1a434), closes #671
provide an option to hide Hero Points (eabfc02), closes #661
refactor add hitlocation dropdown into RqidLink area & add in all places (a9deca7), closes #656
show an explanation in the Rune Magic list why nothing is shown as lay member (67b62ac), closes #668

priests don't get the 20% bonus to their POW gain roll (99908b0), closes #649
rqid editor "Get Document Like This" is not filled in properly (6f4bb24), closes #665

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