Examine source code of RisikoRadar

{
  "manifest_version": 2,
  "name": "RisikoRadar",
  "version": "1.2.3.1",
  "description": "RisikoRadar zum Erkennen undurchsichtiger Vergleiche",
  "icons": {
    "48": "icons/risikoradar.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "risikoradar@risikoatlas.de",
      "strict_min_version": "53.0"
    }
  },
  "permissions": [
    "nativeMessaging",
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background-script.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "icons/risikoradar.png",
    "default_popup": "menu/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "libraries/findAndReplaceDOMText.js",
        "libraries/Readability.js",
        "libraries/popper.min.js",
        "libraries/tippy.js",
        "content_scripts/translate_statistics.js"
      ],
      "css": [
        "libraries/tippy-light.css"
      ]
    }
  ]
}