Added song instrument shuffle

resources/app/gui/adjust/overview/widgets.json

@@ -4,7 +4,8 @@
     "msu_resume":      { "type": "checkbox" },
     "quickswap":  { "type": "checkbox" },
     "reduce_flashing": {"type": "checkbox" },
-    "shuffle_sfx": {"type": "checkbox" }
+    "shuffle_sfx": {"type": "checkbox" },
+    "shuffle_songinstruments": {"type": "checkbox" }
   },
   "leftAdjustFrame": {
     "heartcolor": {

resources/app/gui/lang/en.json

@@ -4,6 +4,7 @@
     "adjust.quickswap": "L/R Quickswapping",
     "adjust.reduce_flashing": "Reduce Flashing",
     "adjust.shuffle_sfx": "Shuffle Sound Effects",
+    "adjust.shuffle_songinstruments": "Shuffle Song Instruments",
     "adjust.msu_resume": "MSU Resume",
 
     "adjust.heartcolor": "Heart Color",
@@ -190,6 +191,7 @@
     "randomizer.gameoptions.quickswap": "L/R Quickswapping",
     "randomizer.gameoptions.reduce_flashing": "Reduce Flashing",
     "randomizer.gameoptions.shuffle_sfx": "Shuffle Sound Effects",
+    "randomizer.gameoptions.shuffle_songinstruments": "Shuffle Song Instruments",
     "randomizer.gameoptions.msu_resume": "MSU Resume",
 
     "randomizer.gameoptions.heartcolor": "Heart Color",

resources/app/gui/randomize/gameoptions/widgets.json

@@ -4,7 +4,8 @@
     "msu_resume": { "type": "checkbox" },
     "quickswap":  { "type": "checkbox" },
     "reduce_flashing": { "type": "checkbox" },
-    "shuffle_sfx": { "type": "checkbox" }
+    "shuffle_sfx": { "type": "checkbox" },
+    "shuffle_songinstruments": { "type": "checkbox" }
   },
   "leftRomOptionsFrame": {
     "heartcolor": {