Examine source code of ezFluent

{
  "manifest_version": 2,
  "name": "Ez fluent",
  "version": "1.0",
  "description": "ez",
  "content_scripts": [
    {
      "matches": [
        "*://portal.gofluent.com/*"
      ],
      "js": [
        "ezfluent.js",
        "react-trigger-change.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "contextMenus",
    "*://*.gofluent.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{eefad55b-f38a-40a8-8eda-bf94f081f87a}"
    }
  }
}