Examine source code of Skrapp Email Finder

{
  "manifest_version": 3,
  "name": "Email Finder by Skrapp.io",
  "description": "Find anyone’s email instantly. Search, verify, and export leads in one click.",
  "version": "2.5.3",
  "action": {
    "default_icon": {
      "128": "img/icon-blue-round-128.png"
    },
    "default_title": "Skrapp - Email finder"
  },
  "icons": {
    "128": "img/icon-blue-round-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "scripti.js"
      ],
      "matches": [
        "*://www.linkedin.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "21681cbf10b2a519660257e880195e4dcb1b9dd@skrapp.io"
    }
  },
  "background": {
    "scripts": [
      "background.bundle.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.skrapp.io/*"
      ],
      "js": [
        "keyContentScript.bundle.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "webRequest",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "*://www.linkedin.com/*"
  ]
}