Examine source code of TermClick

{
  "name": "TermClick",
  "description": "Click on a term to search for its definition, label and synonyms as well as its identifier and type across the approved ontologies of TIB Terminology Service at https://service.tib.eu/ts4tib/index .",
  "version": "1.2.6",
  "background": {
    "scripts": [
      "static/js/background.js"
    ]
  },
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' 'unsafe-eval' https://use.fontawesome.com/releases/v5.14.0/js/all.js; object-src 'self'",
  "icons": {
    "16": "static/img/tib.png",
    "128": "static/img/tib.png"
  },
  "browser_action": {
    "default_title": "Termclick",
    "default_popup": "index.html"
  },
  "web_accessible_resources": [
    "index.html",
    "static/js/app.js",
    "static/js/app.js.map",
    "static/js/vendor.js",
    "static/js/vendor.js.map",
    "static/css/app.css",
    "static/css/app.css.map"
  ],
  "permissions": [
    "contextMenus",
    "clipboardWrite",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{34762e58-8e3a-457a-9d55-38d6b5bf6775}"
    }
  }
}