Examine source code of Fancy Hacker News

{
  "manifest_version": 3,
  "name": "Fancy Hacker News",
  "version": "1.5.0",
  "description": "A fancy redesign of Hacker News with theme support.",
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "dist/background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://news.ycombinator.com/*"
      ],
      "js": [
        "dist/content/anti-fouc.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://news.ycombinator.com/*"
      ],
      "css": [
        "dist/content/assets/style.css"
      ],
      "js": [
        "dist/content/content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "options_ui": {
    "page": "dist/settings.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fancy-hn@extension",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "dist/content/assets/*"
      ],
      "matches": [
        "*://news.ycombinator.com/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; font-src 'self' data:;"
  }
}