Examine source code of Minutes

{
  "manifest_version": 2,
  "name": "Simple Newtab",
  "description": "This extension is based on Travery Media Landing Page Tutorial",
  "version": "1.0.3",
  "icons": {
    "48": "icons/icon_48.png",
    "96": "icons/icon_96.png",
    "128": "icons/icon_128.png"
  },
  "browser_action": {
    "default_icon": "icons/icon.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  }
}