Examine source code of Offen Instant Access

{
  "manifest_version": 2,
  "name": "__MSG_manifest_name__",
  "description": "__MSG_manifest_description__",
  "version": "1.3.4",
  "homepage_url": "https://www.offen.dev",
  "icons": {
    "64": "icons/on.png",
    "128": "icons/on_128.png"
  },
  "permissions": [
    "<all_urls>",
    "storage",
    "webRequest",
    "tabs"
  ],
  "web_accessible_resources": [
    "page-script.js",
    "checksums.txt"
  ],
  "browser_action": {
    "default_icon": "icons/off.png",
    "default_title": "__MSG_manifest_action_title__",
    "default_popup": "popup/index.html"
  },
  "background": {
    "scripts": [
      "background-script.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{09b93856-dc3b-4d52-b758-4f49687a122a}"
    }
  }
}