Examine source code of New Tab Extension

{
  "manifest_version": 2,
  "name": "New Tab Extension",
  "version": "1.0",
  "description": "Overrides the default new tab with compact links and an organizable structure.",
  "homepage_url": "https://github.com/stefan1575/new-tab-extension",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "16": "assets/favicon.svg",
    "48": "assets/favicon.svg",
    "96": "assets/favicon.svg",
    "128": "assets/favicon.svg"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5e26e983-b1a5-4782-b918-c66679075eb9}"
    }
  }
}