Examine source code of SPViewer HangarSync

{
  "manifest_version": 2,
  "name": "SPViewer HangarSync",
  "version": "1.0.0",
  "description": "Sichern und synchronisieren Sie Ihre SPViewer Fahrzeug-Loadouts. Einfacher Export und Import aller Schiffsausrüstungen.",
  "author": "SeBoOne",
  "homepage_url": "https://github.com/SeBoOne/spviewer-hangarsync",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.spviewer.eu/*",
        "https://spviewer.eu/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "hangarsync@seboone.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}