Examine source code of Capturewell

{
  "manifest_version": 3,
  "name": "Capturewell",
  "version": "1.0.0",
  "description": "Capture the current page as PNG, JPEG, WebP, AVIF, or PDF with Capturewell—right from your browser.",
  "browser_specific_settings": {
    "gecko": {
      "id": "capturewell@capturewell.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity",
          "websiteContent"
        ]
      }
    }
  },
  "icons": {
    "16": "capturewell-icon-16.png",
    "32": "capturewell-icon-32.png",
    "48": "capturewell-icon-48.png",
    "128": "capturewell-icon-128.png"
  },
  "background": {
    "scripts": [
      "background.mjs"
    ],
    "type": "module"
  },
  "action": {
    "default_icon": {
      "16": "capturewell-icon-16.png",
      "32": "capturewell-icon-32.png"
    },
    "default_title": "Capture with Capturewell",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  },
  "permissions": [
    "activeTab",
    "alarms",
    "storage"
  ],
  "host_permissions": [
    "https://api.capturewell.app/*"
  ]
}