Examine source code of CaptureTheLink

{
  "manifest_version": 3,
  "name": "CaptureTheLink",
  "version": "1.0.0",
  "description": "Send the current page or a link to CaptureTheLink for review and submission.",
  "homepage_url": "https://capturethelink.com/",
  "permissions": [
    "activeTab",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Submit this page to CaptureTheLink",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+L",
        "mac": "MacCtrl+Shift+L"
      },
      "description": "Submit this page to CaptureTheLink"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "contact@capturethelink.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  }
}