Examine source code of pour - Accessibility Checker & WCAG Audit

{
  "manifest_version": 3,
  "name": "pour - Accessibility Checker & WCAG Audit",
  "short_name": "pour",
  "version": "1.2.103",
  "description": "One-click accessibility checker: WCAG 2.2 audits, contrast checks, exact fixes, and vision, sensory and motor filters.",
  "homepage_url": "https://pour.dev",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "pour - Accessibility Checker & WCAG Audit",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "devtools_page": "devtools.html",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true,
      "match_about_blank": true,
      "match_origin_as_fallback": true
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "devtools@pour.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}