chore(manifest): add background script, remove default icon and popup and upgrade version

manifest.json

@@ -1,27 +1,36 @@
 {
   "manifest_version": 2,
   "name": "Do Not Consent",
-  "version": "3.2.4",
+  "version": "3.3.0",
   "default_locale": "en",
   "description": "__MSG_appDesc__",
   "icons": {
     "16": "assets/icon16.png",
+    "32": "assets/icon32.png",
     "48": "assets/icon48.png",
     "128": "assets/icon128.png"
   },
   "browser_action": {
-    "default_icon": "assets/icon32.png",
-    "default_popup": "popup.html",
+    "default_icon": "assets/icon-disabled.png",
     "default_title": "Do Not Consent"
   },
   "author": "wanhose",
+  "background": {
+    "persistent": false,
+    "scripts": ["scripts/background.js"]
+  },
   "content_scripts": [
     {
-      "all_frames": true,
       "js": ["scripts/content.js"],
       "matches": ["http://*/*", "https://*/*"],
       "run_at": "document_start"
     }
   ],
-  "web_accessible_resources": ["data/*", "scripts/popup.js", "styles/*"]
+  "permissions": ["storage", "tabs", "unlimitedStorage"],
+  "web_accessible_resources": [
+    "data/elements.txt",
+    "scripts/popup.js",
+    "styles/index.css",
+    "styles/reset.css"
+  ]
 }