Add other shortcuts for OSX to fix conflicts with the default behavior

Related to #24.

Author: zalmoxisus

src/browser/extension/manifest.json

@@ -12,25 +12,29 @@
   "commands": {
     "devtools-left": {
       "suggested_key": {
-        "default": "Alt+Shift+Left"
+        "default": "Alt+Shift+Left",
+        "mac": "Command+MacCtrl+Left"
       },
       "description": "DevTools window to left"
     },
     "devtools-right": {
       "suggested_key": {
-        "default": "Alt+Shift+Right"
+        "default": "Alt+Shift+Right",
+        "mac": "Command+MacCtrl+Right"
       },
       "description": "DevTools window to right"
     },
     "devtools-bottom": {
       "suggested_key": {
-        "default": "Alt+Shift+Down"
+        "default": "Alt+Shift+Down",
+        "mac": "Command+MacCtrl+Down"
       },
       "description": "DevTools window to bottom"
     },
     "devtools-panel": {
       "suggested_key": {
-        "default": "Alt+Shift+Up"
+        "default": "Alt+Shift+Up",
+        "mac": "Command+MacCtrl+Up"
       },
       "description": "DevTools in panel"
     }