Examine source code of Campus Switcher for Kiron

{
  "manifest_version": 2,
  "name": "Campus Switcher for Kiron",
  "version": "1.0.0",
  "description": "Bidirectional switcher between Kiron Campus and Backend - Switch seamlessly between live pages and their backend counterparts",
  "browser_specific_settings": {
    "gecko": {
      "id": "kiron-campus-switcher@addon.mozilla.org",
      "strict_min_version": "78.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "notifications",
    "clipboardWrite",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "Campus Switcher - Click to switch between Campus and Backend"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "default_locale": "en"
}