Add icon

manifest.json

@@ -1,23 +1,26 @@
 {
-
   "manifest_version": 2,
   "name": "Postify",
   "version": "1.0",
- 
   "description": "Post current url to external web-server.",
-
   "applications": {
     "gecko": {
       "id": "postify@mozilla.org",
       "strict_min_version": "45.0"
     }
   },
-
   "content_scripts": [
     {
-      "matches": ["*://*.mozilla.org/*"],
-      "js": ["postify.js"]
+      "matches": [
+        "*://*.mozilla.org/*"
+      ],
+      "js": [
+        "postify.js"
+      ]
     }
-  ]
-
+  ],
+  "browser_action": {
+    "default_icon": "icons/postify-32.png",
+    "default_title": "Beastify"
+  }
 }