Examine source code of SV Alternatives

{
  "description": "Loads alternative street view providers Mapillary and KartaView from Google Maps",
  "manifest_version": 2,
  "name": "SV Alternatives",
  "version": "1.0.2",
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "Icons/Icon16.png",
    "48": "Icons/Icon48.png"
  },
  "browser_action": {
    "default_icon": {
      "19": "Icons/Icon19.png",
      "38": "Icons/Icon38.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{521d9c8f-9d0e-45a8-a110-49e63b51a819}"
    }
  }
}