feat: allow custom base url

src/beaver_gateway/frontends/admin/templates/dashboard.html

@@ -68,7 +68,7 @@
     </div>
     <p class="muted ep-note">
       Beaver stores only an Argon2 hash of each token, so the plaintext can't be reconstructed.
-      Paste the value you saved at creation; if you've lost it, <a href="/tokens">mint a new one</a>.
+      Paste the value you saved at creation; if you've lost it, <a href="{{ p }}/tokens">mint a new one</a>.
       Below: pick a token to see which endpoints its scope covers, paste the secret to fill it
       into URL / curl, then click Copy.
     </p>
@@ -194,7 +194,7 @@
         {% endfor %}
       </tbody>
     </table>
-    <p class="muted" style="margin-top:0.85rem;"><a href="/audit">Full log →</a></p>
+    <p class="muted" style="margin-top:0.85rem;"><a href="{{ p }}/audit">Full log →</a></p>
     {% else %}
       <p class="muted">Nothing logged yet.</p>
     {% endif %}