Examine source code of AI Face Shape Detector

{
  "manifest_version": 2,
  "name": "AI Face Shape Detector",
  "version": "1.0.0",
  "description": "Detect your face shape instantly! Upload photos or analyze any image on the web with AI-powered face shape detection.",
  "author": "faceshapedetector.ai",
  "homepage_url": "https://faceshapedetector.ai/",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "https://api.testdebelleza.com/*",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "sidebar_action": {
    "default_panel": "sidebar/sidebar.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "faceshapedetector@faceshapedetector.ai",
      "strict_min_version": "79.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}