Merge pull request #123 from HendrikBorgelt/fix-getting-started-download-button

Add a dev-branch download button alongside the version-specific workbook

Author: HendrikBorgelt

docs/getting-started.md

@@ -40,11 +40,17 @@ Level 4 ──► Validate records against the full CoreMeta4Cat schema
 To help you understand which terms exist and how they relate to each other, CoreMeta4Cat provides a reference Excel workbook. This workbook is **not a data entry form to fill in** — it is a structured overview of the CoreMeta4Cat vocabulary hierarchy, organised by data class, that you can use as a lookup reference when designing or annotating your own data sheets.
 
 <div style="text-align: center; margin: 1.5em 0;">
-  <a href="../assets/coremeta4cat_vocabulary.xlsx"
+  <a href="https://nfdi4cat.github.io/CoreMeta4Cat/dev/assets/coremeta4cat_vocabulary.xlsx"
      style="display: inline-block; padding: 0.7em 1.6em; background: #1976d2; color: white;
             border-radius: 4px; text-decoration: none; font-weight: bold;">
-    ⬇ Download the CoreMeta4Cat vocabulary reference workbook
+    ⬇ Download the CoreMeta4Cat vocabulary reference workbook (dev)
   </a>
+  <p style="margin: 10px 0 0; font-size: 0.85em; opacity: 0.7;">
+    Always up to date with the latest schema.
+  </p>
+  <p style="margin: 14px 0 0; font-size: 0.85em;">
+    <a href="../assets/coremeta4cat_vocabulary.xlsx">Looking for the workbook matching this version of the docs instead?</a>
+  </p>
 </div>
 
 The workbook has five sheets: