Examine source code of Search Switch

{
  "manifest_version": 3,
  "name": "Search Switch",
  "version": "1.1",
  "description": "A simple extension to add 'Search with Google' option in context menu even if you have some other search engine as default.",
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "author": "Whiskay",
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Add SearchWith Option"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*"
      ],
      "js": [
        "background.js",
        "options.js"
      ]
    }
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_page": "options.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "jay@whiskay.dev"
    }
  }
}