Replace footer references with link to the Rampart announcement post

index.html

@@ -880,11 +880,7 @@ textarea.input-box:focus, .chat-input:focus { border-color: #fff; }
     </div>
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   <div class="f-links">
-    <a href="https://huggingface.co/nationaldesignstudio/rampart" target="_blank" rel="noopener">Rampart Model ↗</a>
-    <a href="https://www.npmjs.com/package/@nationaldesignstudio/rampart" target="_blank" rel="noopener">npm ↗</a>
-    <a href="https://huggingface.co/datasets/ai4privacy/pii-masking-openpii-1.5m" target="_blank" rel="noopener">Training Data ↗</a>
-    <a href="https://huggingface.co/docs/transformers.js" target="_blank" rel="noopener">transformers.js ↗</a>
-    <a href="https://ndstudio.gov" target="_blank" rel="noopener">ndstudio.gov ↗</a>
+    <a href="https://ndstudio.gov/posts/say-hello-to-rampart" target="_blank" rel="noopener">Read the announcement: Introducing Rampart ↗</a>
   </div>
   <div class="f-legal">
     <span>Rampart model &amp; demo — National Design Studio. CC&nbsp;BY&nbsp;4.0.</span>