Examine source code of Cookie Sweep

{
  "manifest_version": 3,
  "name": "Cookie Sweep",
  "description": "Clear all cookies except for defined domains",
  "version": "1.2.1",
  "developer": {
    "name": "Markus Popp",
    "url": "https://github.com/mpopp75/cookie-sweep"
  },
  "permissions": [
    "storage",
    "cookies"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16-dark.png",
      "32": "icons/icon-32-dark.png",
      "64": "icons/icon-64-dark.png"
    },
    "default_title": "Sweep Cookies",
    "default_popup": "popup/info-panel.html",
    "theme_icons": [
      {
        "light": "icons/icon-16.png",
        "dark": "icons/icon-16-dark.png",
        "size": 16
      },
      {
        "light": "icons/icon-32.png",
        "dark": "icons/icon-32-dark.png",
        "size": 32
      },
      {
        "light": "icons/icon-64.png",
        "dark": "icons/icon-64-dark.png",
        "size": 64
      }
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cookie-sweep@mozilla.org",
      "strict_min_version": "111.0"
    }
  }
}