Examine source code of Bookmarks - But Better

{
  "manifest_version": 3,
  "name": "Bookmarks But Better",
  "description": "A clean, beautiful bookmarks dashboard for your new tab with themes, dark mode, and full bookmark management.",
  "version": "4.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmarks@farhadeidi.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "140.0"
    }
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "homepage": "index.html"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Save bookmark"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "omnibox": {
    "keyword": "bookmarks-but-better"
  },
  "permissions": [
    "activeTab",
    "bookmarks",
    "storage"
  ],
  "host_permissions": [
    "https://t1.gstatic.com/*"
  ],
  "optional_host_permissions": [
    "http://127.0.0.1/*",
    "http://localhost/*"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}