Examine source code of Powerfull Cookie Editor

{
  "manifest_version": 3,
  "name": "__MSG_ce_extname__",
  "description": "__MSG_ce_extdescription__",
  "version": "1.0.3",
  "default_locale": "en",
  "action": {
    "default_title": "__MSG_ce_extname__",
    "default_popup": "popup.html"
  },
  "options_page": "options.html",
  "icons": {
    "16": "icons/16px.png",
    "32": "icons/32px.png",
    "48": "icons/48px.png",
    "64": "icons/64px.png",
    "128": "icons/128px.png"
  },
  "permissions": [
    "cookies",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{306c1942-a273-434e-a0a2-299695848d0d}",
      "strict_min_version": "109.0"
    }
  }
}