update banner for fits deprecate

cmd/fits-api/assets/api-docs/index.html

@@ -4,14 +4,13 @@
 
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-        Manually collected volcano data have been migrated from FITS to Tilde and are available through the <a
-            href="https://tilde.geonet.org.nz/">API </a>
-        and <a href="https://tilde.geonet.org.nz/ui/data-exploration">Data Discovery application</a>.
-        You will need to start using Tilde to access this data by 31st March 2024 when we deprecate manually collected
-        volcano data in FITS.
-        Information on how an existing FITS query should be written for Tilde is available on
-        <a href="https://github.com/GeoNet/help/tree/main/data-access-changes">Github</a>. If you have questions,
-        please email us at [email protected] including in the subject "FITS to Tilde migration".
+        <strong>FITS Deprecation Notice</strong>.<br>
+            The FITS data base is being deprecated on the 31st March 2025.<br>
+            The data is being migrated to <a href="https://tilde.geonet.org.nz/" rel="nofollow">Tilde</a>
+            and will be available through the <a href="https://tilde.geonet.org.nz/" rel="nofollow">API</a>
+            and <a href="https://tilde.geonet.org.nz/ui/data-discovery" rel="nofollow">visualization interfaces</a>.<br>
+            You can check on the status of the different data sets on
+            our <a href="https://www.geonet.org.nz/data/access/FITS" rel="nofollow">FITS System Deprecation: Transition to Tilde API page</a>.
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