Examine source code of RDEX Dashboard

{
  "manifest_version": 2,
  "name": "RDEX Dashboard",
  "version": "2.0.1",
  "description": "A minimalist new tab dashboard with modern UI",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "chrome_url_overrides": {
    "newtab": "src/index.html"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "RDEX Dashboard"
  },
  "permissions": [
    "storage",
    "tabs",
    "notifications",
    "contextMenus"
  ],
  "content_security_policy": "script-src 'self' https://api.quotable.io; object-src 'self'",
  "background": {
    "scripts": [
      "src/js/background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rdex-dashboard@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}