Examine source code of Confluence Meeting Notes for Google Calendar

{
  "name": "Confluence Meeting Notes for Google Calendar",
  "short_name": "Meetical",
  "version": "3.1.0",
  "manifest_version": 2,
  "description": "Firefox Extension for Confluence to create Meeting Notes directly from your Google Calendar. Quick and easy meeting management.",
  "permissions": [
    "https://calendar.google.com/calendar/*",
    "https://app.meetical.io/*"
  ],
  "background": {
    "persistent": true,
    "scripts": [
      "assets/vendor/jquery/jquery-3.5.1.min.js",
      "assets/js/setup-environment.js",
      "assets/js/background-script.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "assets/images/icon16.png",
      "48": "assets/images/icon48.png",
      "128": "assets/images/icon128.png"
    },
    "default_popup": "popup/popup.html",
    "default_title": "Meetical for Confluence"
  },
  "content_scripts": [
    {
      "css": [
        "assets/css/app.css",
        "assets/vendor/select2/select2.min.css"
      ],
      "js": [
        "assets/vendor/jquery/jquery-3.5.1.min.js",
        "assets/vendor/select2/select2.min.js",
        "assets/js/setup-environment.js",
        "assets/js/meetical-common.js",
        "assets/js/content-script.js"
      ],
      "matches": [
        "https://calendar.google.com/calendar/*"
      ]
    }
  ],
  "icons": {
    "16": "assets/images/icon16.png",
    "48": "assets/images/icon48.png",
    "128": "assets/images/icon128.png"
  },
  "web_accessible_resources": [
    "assets/images/modal_icon.png",
    "html/app.html",
    "html/quick_popup.html",
    "html/quick_create.html",
    "assets/images/confluence-logo-gray-34w.png",
    "assets/images/meetical-logo-simple-40w.png",
    "assets/images/mini-upArrow.png",
    "assets/images/tail-spin.svg",
    "assets/images/search.svg",
    "assets/images/success-check.svg",
    "assets/images/icon-parent-page-tree-black.svg"
  ]
}