Examine source code of AccessCheck Extension

{
  "manifest_version": 3,
  "name": "AccessCheck — Website Accessibility Scanner",
  "version": "1.0.0",
  "description": "Scan any webpage for accessibility issues. See problems highlighted directly on the page with plain English explanations and fixes.",
  "permissions": [
    "storage",
    "scripting",
    "activeTab",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "assets/service-worker.ts-eq3Gbuzy.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "public/icons/icon-16.png",
      "48": "public/icons/icon-48.png",
      "128": "public/icons/icon-128.png"
    }
  },
  "icons": {
    "16": "public/icons/icon-16.png",
    "48": "public/icons/icon-48.png",
    "128": "public/icons/icon-128.png"
  },
  "options_page": "src/options/options.html",
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "content-script.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "accesscheck@accesscheck.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}