Allow right click - simple search

manifest.json

{
  "manifest_version": 2,
  "name": "__MSG_name__",
  "description": "__MSG_desc__",
  "default_locale": "en",
  "version": "1.3.1",
  "permissions": [
    "contextMenus",
    "tabs",
    "activeTab",
    "storage",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "background": {
    "scripts": [
      "js/getset.js",
      "js/search.js"
    ],
    "persistent": true
  },
  "options_page": "options.html",
  "icons": {
    "16": "images/ico16.png",
    "48": "images/ico48.png",
    "128": "images/ico128.png"
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self';",
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "main.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}