Examine source code of 365id Cloudbeds Extension

{
  "manifest_version": 2,
  "name": "365id Cloudbeds Extension",
  "version": "1.4",
  "description": "View the latest scanned transactions from 365id.",
  "icons": {
    "16": "assets/icons/365id_16.png",
    "32": "assets/icons/365id_32.png",
    "48": "assets/icons/365id_48.png",
    "128": "assets/icons/365id_128.png"
  },
  "browser_action": {
    "default_popup": "html/popup.html"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "notifications",
    "https://*.cloudbeds.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.cloudbeds.com/*"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "options_ui": {
    "page": "html/settings.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    "html/error.html"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cloudbeds-extension@365id.com",
      "strict_min_version": "91.0"
    }
  }
}