Examine source code of Xzen-Homepage

{
  "manifest_version": 2,
  "name": "Xzen Homepage (fox Edition)",
  "version": "1.3.32",
  "description": "A personalized new tab page with custom shortcuts, compatible with fox.",
  "chrome_url_overrides": {
    "newtab": "homepage.html"
  },
  "permissions": [
    "storage",
    "contextMenus",
    "unlimitedStorage"
  ],
  "icons": {
    "170": "icon170.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "author": "Rylex",
  "browser_specific_settings": {
    "gecko": {
      "id": "{77e29dc9-cce3-41d0-a052-3c58289a7b04}"
    }
  }
}