feat: add 'Load seed protocols' button on About page for admins

No curl needed — admins can now load the 6 example protocols
directly from the About page with a single click.

frontend/index.html

@@ -87,6 +87,13 @@
       <h2>License</h2>
       <p class="outcome">Hippocratic License (HL3-CORE) — do no harm. See <a href="https://firstdonoharm.dev/" target="_blank">firstdonoharm.dev</a>. Source code available on <a href="https://git.medlab.host/ntnsndr/protocol-droid" target="_blank">Gitea</a>.</p>
     </div>
+    <div class="detail-section" id="seedSection" style="display:none">
+      <h2>Seed protocols</h2>
+      <p class="outcome">Load a starter set of 6 example protocols (Round Robin Check-In, Consent Decision-Making, Appreciative Apology, Temperature Reading, Dot Voting, Fishbowl Discussion) into your library.</p>
+      <div class="actions">
+        <button class="btn primary" id="seedBtn" onclick="loadSeedProtocols()">Load seed protocols</button>
+      </div>
+    </div>
   </section>
 
   <!-- PROTOCOL DETAIL VIEW -->