Examine source code of Partslift Katana

{
  "manifest_version": 3,
  "name": "Partslift Katana",
  "description": "Importieren von Ersatzteillisten aus verschiedenen Applikationen",
  "version": "2.0.0.14",
  "icons": {
    "16": "assets/icon_16.png",
    "48": "assets/icon_48.png",
    "128": "assets/icon_128.png"
  },
  "action": {
    "default_popup": "active-popup/index.html",
    "default_icon": "assets/icon_16.png"
  },
  "background": {
    "scripts": [
      "service_worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start",
      "js": [
        "./active-popup/content.js"
      ],
      "all_frames": true
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/css/* ",
        "assets/js/*",
        "assets/fonts/*",
        "assets/images/*"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cjmkcpkchcicmelccfalnpfclncihejk@partslift.eu"
    }
  }
}