Examine source code of Smartcric Watch

{
  "manifest_version": 2,
  "name": "Smartcric Watch",
  "short_name": "Smartcric",
  "version": "0.0.1",
  "description": "New Tabs includes a variety of customizable wallpapers and widgets, all without requiring any permissions for your browser.",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@smartcric.Watch",
      "strict_min_version": "55.0"
    }
  },
  "chrome_settings_overrides": {
    "homepage": "index.html"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "storage"
  ]
}