Examine source code of Citavi Picker

{
  "name": "Citavi Picker",
  "version": "2021.4.8.5",
  "description": "__MSG_CitaviPickerDescription__",
  "default_locale": "en",
  "homepage_url": "http://www.citavi.com",
  "icons": {
    "16": "images/CitaviProgramIcon16.png",
    "24": "images/CitaviProgramIcon24.png",
    "32": "images/CitaviProgramIcon32.png",
    "48": "images/CitaviProgramIcon48.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/CitaviProgramIcon16.png",
      "24": "images/CitaviProgramIcon24.png",
      "32": "images/CitaviProgramIcon32.png",
      "48": "images/CitaviProgramIcon48.png"
    }
  },
  "manifest_version": 2,
  "background": {
    "page": "background.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "annotations/annotation.css"
      ],
      "js": [
        "shared.js",
        "analyser.js",
        "annotations/annotationMarker.js",
        "iframe/helper.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "shared.js",
    "ai/telemetry.js",
    "iframe/iframe.js",
    "iframe/iframe.css",
    "iframe/iframe.html",
    "iframe/pdfEvents.js",
    "web/_sr.html",
    "web/_sr.js",
    "images/okay_o.svg",
    "images/cancel_o.svg"
  ],
  "permissions": [
    "activeTab",
    "storage",
    "nativeMessaging",
    "identity",
    "tabs",
    "clipboardWrite",
    "contextMenus",
    "http://*/*",
    "https://*/*"
  ],
  "optional_permissions": [
    "<all_urls>"
  ],
  "applications": {
    "gecko": {
      "id": "{8AA36F4F-6DC7-4c06-77AF-5035170634FE}"
    }
  }
}