Examine source code of Fluidity

{
  "manifest_version": 2,
  "name": "Fluidity",
  "description": "An accordion based browser startpage.",
  "version": "1.0",
  "developer": {
    "name": "Fluidity",
    "url": "https://k226444.github.io/fluidity-gh-pages/index.html"
  },
  "permissions": [
    "management",
    "history",
    "storage"
  ],
  "content_security_policy": "script-src 'self' 'sha256-xuejLQ29qZc344LEr80Z2fLQc/Q/4XaQRaIDtWFnz2Y='; object-src 'self'",
  "chrome_url_overrides": {
    "newtab": "./index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{65d166e0-52ba-4847-bd3d-dc05496dda1a}"
    }
  }
}