Add DAP snippet

GSA websites must participate in the federal Digital Analytics Program (DAP). DAP offers a web analytics tool, training, and support to federal agencies. The program is a shared service provided by the Technology Transformation Services (TTS).

<!-- We participate in the US government's analytics program. See the data at analytics.usa.gov. -->
<script
  async
  type="text/javascript"
  src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=GSA"
  id="_fed_an_ua_tag"
></script>

note

For alternative implementation options visit the Guide to the Digital Analytics Program.