Examine source code of ReadyTab

{
  "manifest_version": 2,
  "name": "ReadyTab - New Tab Dashboard & Launcher",
  "description": "New tab dashboard with link boards, workspaces, spotlight search, desktop launcher & shareable boards. Your browser command center.",
  "version": "1.5.4",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "contextMenus",
    "bookmarks",
    "nativeMessaging",
    "alarms",
    "https://api.lemonsqueezy.com/*",
    "https://*.easypanel.host/*",
    "http://*/*",
    "https://*/*"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "readytab@readytab.app",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "bookmarksInfo",
          "authenticationInfo"
        ]
      }
    }
  },
  "omnibox": {
    "keyword": "rt"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": "script-src 'self'; object-src 'self'; img-src 'self' http: https: data:; frame-src 'self'",
  "web_accessible_resources": [
    "index.html",
    "styles.css",
    "js/*",
    "icon/*",
    "modal_styles.css",
    "_locales/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-scripts/content.js",
        "content-scripts/spotlight.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icon/16.png",
      "32": "icon/32.png",
      "48": "icon/48.png"
    },
    "default_title": "ReadyTab"
  }
}