Added song instrument shuffle

resources/app/cli/args.json

@@ -347,6 +347,10 @@
     "action": "store_true",
     "type": "bool"
   },
+  "shuffle_songinstruments": {
+    "action": "store_true",
+    "type": "bool"
+  },
   "msu_resume": {
     "action": "store_true",
     "type": "bool"

resources/app/cli/lang/en.json

@@ -425,6 +425,7 @@
     ],
     "reduce_flashing": [ "Reduce some in-game flashing (default: %(default)s)" ],
     "shuffle_sfx": [ "Shuffle sounds effects (default: %(default)s)" ],
+    "shuffle_songinstruments": [ "Shuffle song instruments (default: %(default)s)" ],
     "msu_resume": [ "Enable MSU Resume (default: %(default)s)" ],
     "create_rom": [ "Create an output rom file. (default: %(default)s)" ],
     "gui": [ "Launch the GUI. (default: %(default)s)" ],