Examine source code of KitchenPocket

{
  "name": "KitchenPocket",
  "version": "1.0.3",
  "description": "Save recipes from any website, build cookbooks, plan meals & track nutrition, your smart kitchen companion.",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "kitchenpocket-ce@kitchenpocket.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "authenticationInfo",
          "financialAndPaymentInfo",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "action": {
    "default_icon": "assets/images/KitchenPocketLogo-small.png",
    "default_title": "Open KitchenPocket"
  },
  "sidebar_action": {
    "default_panel": "index.html",
    "default_icon": "assets/images/KitchenPocketLogo-small.png",
    "default_title": "Open KitchenPocket"
  },
  "icons": {
    "16": "assets/images/KitchenPocketLogo-small.png",
    "32": "assets/images/KitchenPocketLogo-small.png",
    "48": "assets/images/KitchenPocketLogo-small.png",
    "128": "assets/images/KitchenPocketLogo-small.png"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite",
    "clipboardRead",
    "storage",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "https://www.kitchenpocket.com/",
    "https://staging.kitchenpocket.com/",
    "http://staging.kitchenpocket.com/",
    "https://qa.kitchenpocket.com/",
    "http://qa.kitchenpocket.com/",
    "http://api.kitchenpocket.com/",
    "https://api.kitchenpocket.com/",
    "http://*/",
    "https://*/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "fab-content.js"
      ],
      "css": [
        "fab.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/images/*.png",
        "fab.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}