Examine source code of Material Hompage

{
  "name": "Material Homepage",
  "manifest_version": 3,
  "version": "2.2.0",
  "id": "fenomffbdppaigofpjjbkminjoamhmbd",
  "description": "Minimal, focused and professional Homepage",
  "action": {
    "default_icon": "/images/logo/mh-64.png"
  },
  "icons": {
    "32": "/images/logo/mh-32.png",
    "64": "/images/logo/mh-64.png",
    "128": "/images/logo/mh-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "homepage": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "materialhome@mrsihab.github.io"
    }
  },
  "permissions": [
    "favicon",
    "storage"
  ],
  "optional_host_permissions": [
    "https://suggestqueries.google.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "_favicon/*"
      ],
      "matches": [
        "<all_urls>"
      ],
      "extension_ids": [
        "*"
      ]
    }
  ]
}