Examine source code of Shippii

{
  "name": "__MSG_appName__",
  "version": "1.0.27",
  "description": "__MSG_appDescription__",
  "manifest_version": 2,
  "default_locale": "en",
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://*.bh-netpris-net-dev.vconnect.dev/*",
        "https://*.netpris.dk/*",
        "https://*.netpris.net/*",
        "https://*.discandooo.com/*",
        "https://*.247kiosk.se/*",
        "https://*.bh-netpris-dk-dev.vconnect.dev/*"
      ],
      "run_at": "document_end",
      "css": [
        "css/shippii.css"
      ],
      "exclude_matches": [
        "https://*/admin/*"
      ]
    }
  ],
  "permissions": [
    "storage",
    "https://test-api.shippii.com/*",
    "https://api.shippii.com/*"
  ],
  "icons": {
    "16": "favicon.png",
    "48": "favicon.png",
    "128": "favicon.png"
  },
  "web_accessible_resources": [
    "images/*"
  ]
}