Examine source code of Zoho people timetracker

{
  "description": "A chrome extension that makes using the Zoho people timetracker easier",
  "version": "1.0.0",
  "manifest_version": 3,
  "name": "Zoho people timetracker",
  "options_page": "options.html",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon-48.png"
  },
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "host_permissions": [
    "https://people.zoho.eu/*",
    "https://*.inheaden.cloud/*"
  ],
  "permissions": [
    "identity"
  ],
  "devtools_page": "devtools.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "zoho-timetracking@inheaden.io"
    }
  }
}