Added ext MIDI start and stop handeling

Hardware/gtoe/gtoe.kicad_pro

@@ -1,5 +1,6 @@
 {
   "board": {
+    "3dviewports": [],
     "design_settings": {
       "defaults": {
         "board_outline_line_width": 0.09999999999999999,
@@ -134,7 +135,8 @@
       "zones_allow_external_fillets": false,
       "zones_use_no_outline": true
     },
-    "layer_presets": []
+    "layer_presets": [],
+    "viewports": []
   },
   "boards": [],
   "cvpcb": {
@@ -356,7 +358,7 @@
   "net_settings": {
     "classes": [
       {
-        "bus_width": 12.0,
+        "bus_width": 12,
         "clearance": 0.2,
         "diff_pair_gap": 0.25,
         "diff_pair_via_gap": 0.25,
@@ -370,13 +372,15 @@
         "track_width": 0.25,
         "via_diameter": 0.8,
         "via_drill": 0.4,
-        "wire_width": 6.0
+        "wire_width": 6
       }
     ],
     "meta": {
-      "version": 2
+      "version": 3
     },
-    "net_colors": null
+    "net_colors": null,
+    "netclass_assignments": null,
+    "netclass_patterns": []
   },
   "pcbnew": {
     "last_paths": {