Plate handling reference and sound attribution

Source supplied by the project author for this local adaptation:
sa_essentials-forge-1.20.1-1.0.0.jar
Survivors Arsenal: Essentials (modid sa_combat)
Original authors: ogaba, titammods
Original declared license: All Rights Reserved
Source SHA-256: dd1b3c95d78c0fe47db0d62c05db8265627d435e52ce723c489547de66769356

Adapted motion reference:
assets/sa_combat/animations/item/armor_plates.animation.json
The left-hand use_initial_stay and use_end pull keyframes were normalized and
retargeted to Locknar's player grips. Right-hand front/back top-loading paths,
removal/replacement phases and pouch clipping were implemented for Locknar.
The original SA player rig, plate models and Java classes are not bundled.

Adapted sound files (playback levels adjusted):
assets/sa_combat/sounds/armor_plates/armor_plates_initial.ogg -> plate/open.ogg
assets/sa_combat/sounds/armor_plates/armor_plates_end.ogg -> plate/close.ogg
assets/sa_combat/sounds/armor_plates/armor_plates_use1.ogg -> plate/slide1.ogg
assets/sa_combat/sounds/armor_plates/armor_plates_use2.ogg -> plate/slide2.ogg
assets/sa_combat/sounds/armor_plates/armor_plates_use3.ogg -> plate/slide3.ogg

This source note records provenance; it does not relicense the source assets.
