Examine source code of Therian/Otherkin Captcha

{
  "manifest_version": 2,
  "name": "Therian/Otherkin Captcha",
  "version": "1.0.12",
  "description": "Replace \"I'm a human\" \"I'm not a robot\" with something more Therian/Otherkin-friendly. Covers reCAPTCHA, hCaptcha, Cloudflare Turnstile, Microsoft CAPTCHA, Friendly Captcha, and ALTCHA.",
  "icons": {
    "48": "icons/logo-48px.png",
    "96": "icons/logo-96px.png",
    "128": "icons/logo-128px.png",
    "512": "icons/logo-512px.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Therian Captcha",
    "default_icon": "icons/logo-96px.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "therian-captcha@yokarion",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}