Examine source code of LinkSnappy Elite

{
  "name": "LinkSnappy Elite",
  "version": "1.2.3",
  "description": "Power of LinkSnappy Elite at your fingertips",
  "homepage_url": "https://linksnappy.com",
  "manifest_version": 2,
  "background": {
    "page": "background.html",
    "persistent": false
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "contextMenus",
    "tabs",
    "notifications",
    "clipboardRead",
    "clipboardWrite",
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "16": "assets/icon16.png",
      "32": "assets/icon32.png",
      "48": "assets/icon48.png",
      "64": "assets/icon64.png",
      "128": "assets/icon128.png"
    },
    "default_popup": "index.html",
    "default_title": "LinkSnappy Elite"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3c5d135c-53cd-4ef9-823d-21ce96980bb3}",
      "strict_min_version": "57.0"
    }
  },
  "icons": {
    "16": "assets/icon16.png",
    "32": "assets/icon32.png",
    "48": "assets/icon48.png",
    "64": "assets/icon64.png",
    "128": "assets/icon128.png"
  }
}