Examine source code of Mwmbl Donate

{
  "name": "__MSG_manifest_name__",
  "version": "0.8",
  "manifest_version": 2,
  "short_name": "__MSG_manifest_shortName__",
  "default_locale": "en",
  "description": "__MSG_manifest_description__",
  "background": {
    "scripts": [
      "./assets/background.js",
      "./assets/worker.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.mwmbl.org/?q=*",
        "http://localhost/?q=*"
      ],
      "js": [
        "./assets/content.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "management",
    "https://*/",
    "http://*/"
  ],
  "icons": {
    "16": "./mwmbl16.png",
    "32": "./mwmbl32.png",
    "48": "./mwmbl48.png",
    "128": "./mwmbl128.png"
  },
  "browser_action": {
    "default_icon": "./mwmbl32.png",
    "default_title": "__MSG_manifest_actionTitle__",
    "default_popup": "./popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{53f57a68-a73e-4b31-ba0c-97cf722602ae}"
    }
  }
}