Hop rig (#578)

* added hop's rig, hop rig storage unit + locales

* hop's cloak resprite by Gargarien

* final tweaks

Resources/Textures/Clothing/Neck/Cloaks/hop.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "Taken from tgstation at commit https://github.com/tgstation/tgstation/commit/5a73e8f825ff279e82949b9329783a9e3070e2da, sprites in hand by PuroSlavKing (Github) and RudeyCoolLeet#3875",
+  "copyright": "icon and equipped-NECK drawn by Gargarien (White Dream), sprites in hand by PuroSlavKing (Github) and RudeyCoolLeet#3875",
   "size": {
     "x": 32,
     "y": 32