Examine source code of Phishing Email Detector

{
  "manifest_version": 3,
  "name": "Phishing Email Detector",
  "version": "1.0",
  "description": "Detects phishing emails on Gmail and Outlook.",
  "permissions": [
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://mail.google.com/*",
    "https://outlook.live.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*",
        "https://outlook.live.com/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "phishing-detector@example.com"
    }
  }
}