Examine source code of AntiPhish

{
  "manifest_version": 2,
  "name": "AntiPhish",
  "version": "1.0",
  "description": "Anti-phishing measures. Adds warnings to Unicode links. This extension does not collect any data and does not install cookies.",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "antiphish.js"
      ]
    }
  ],
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "david@haerer.dev"
    }
  }
}