Examine source code of Android Developer Toolbox

{
  "manifest_version": 2,
  "name": "Android Developer Toolbox",
  "description": "A quick access toolbox of Android developer tools, calculators and information.",
  "version": "1.0.2",
  "minimum_chrome_version": "88",
  "default_locale": "en_US",
  "options_page": "options.html",
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_action": {
    "default_icon": "images/icon32.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{21547a83-b614-4d7a-904a-0b27b92405f2}"
    }
  }
}