Examine source code of Hyperlogs

{
  "manifest_version": 2,
  "name": "Hyperlogs",
  "description": "Track time effortlessly from your Firefox Browser.",
  "version": "1.2resigned1",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": "icons/icon128.png",
    "default_title": "Hyperlogs",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b7f0bd18-5892-43d3-b442-92a117d5c405}"
    }
  }
}