Examine source code of Jenni Web Importer

{
  "manifest_version": 2,
  "name": "Jenni Web Importer",
  "description": "Save references and PDFs to Jenni library.",
  "version": "1.1.20",
  "icons": {
    "16": "/icon/icon16.png",
    "48": "/icon/icon48.png",
    "128": "/icon/icon128.png"
  },
  "permissions": [
    "scripting",
    "storage",
    "activeTab",
    "tabs",
    "sidePanel",
    "contextMenus",
    "notifications",
    "<all_urls>"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "single-file-bundle.js",
    "html2pdf.bundle.min.js",
    "assets/*.css",
    "welcome.svg"
  ],
  "externally_connectable": {
    "matches": [
      "https://*.jenni.ai/*",
      "http://localhost:3000/*"
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Jenni Web Importer",
    "default_popup": "popup.html"
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "Jenni Side Panel"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-ui.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{335a66d3-e59f-4e99-abeb-0a2f667cff67}"
    }
  }
}