Examine source code of Zep Start

{
  "manifest_version": 2,
  "name": "zep start",
  "version": "1.0",
  "description": "minimalism at it's peak'",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage",
    "notifications"
  ],
  "options_page": "settings.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e98ceed5-a7dd-4243-8452-44dcbe45be2a}"
    }
  }
}