Examine source code of Aura Start

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "2.0.5",
  "default_locale": "en",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "commands": {
    "toggle-command-palette": {
      "suggested_key": {
        "default": "Ctrl+K",
        "mac": "Command+K"
      },
      "description": "Toggle Aura Start command palette"
    }
  },
  "permissions": [
    "storage"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "host_permissions": [
    "https://www.googleapis.com/*",
    "https://oauth2.googleapis.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none'; base-uri 'none'"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_page": "options.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "aura-start@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "browsingActivity",
          "technicalAndInteraction"
        ]
      }
    }
  }
}