Examine source code of Skrapp Enrich

{
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "21681cbf10b2a51966025313232fae4dcb1b9dd@skrapp.io"
    }
  },
  "name": "Skrapp Enrich",
  "description": "Enrich your prospecting with relevant B2B data.",
  "version": "1.0.2",
  "browser_action": {
    "default_title": "Skrapp Enrich Web Extension",
    "default_icon": "ext/img/brand_icon.png",
    "default_popup": "ext/popup/popup.html"
  },
  "icons": {
    "128": "ext/img/brand_icon.png"
  },
  "background": {
    "scripts": [
      "ext/common/lib/jquery-3.6.0.min.js",
      "ext/common/constants.js",
      "ext/background/storage.js",
      "ext/background/api.js",
      "ext/background/http.js",
      "ext/background/background.js",
      "ext/background/track.js",
      "ext/background/fireup.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.skrapp.io/*"
      ],
      "js": [
        "web/key.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "tabs"
  ]
}