Chrome Remote Listener

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Chrome Remote Listener",
  "description": "Listens to remote commands and modifies tab.",
  "version": "1.0.1",
  "background": {
    "page": "bg/background.html",
    "persistent": true
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "options_page": "options/options.html",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content_script.js",
        "content/jquery-3.5.1.min.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' https://cdn.firebase.com https://*.firebaseio.com https://www.gstatic.com; object-src 'self'",
  "manifest_version": 2
}