add supporters section to homepage

Shows paying squadrons as pill links (SHORT // LONG → /squadrons/<short>) above the footer, with a 15-min server-side cache backed by entitlements DB + SQUADRONS.json.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/views/index.ejs

@@ -366,6 +366,23 @@
         </div>
     </section>
 
+    <!-- Supporters -->
+    <% if (typeof supporters !== 'undefined' && supporters.length > 0) { %>
+    <section class="py-10 border-t border-[rgba(144,238,144,0.06)]">
+        <div class="max-w-[1400px] mx-auto px-6 lg:px-8">
+            <p class="text-center text-xs uppercase tracking-widest text-muted opacity-50 mb-5"><%= t('home.supportedBy') %></p>
+            <div class="flex flex-wrap justify-center gap-2">
+                <% supporters.forEach(function(sq) { %>
+                <a href="/squadrons/<%= encodeURIComponent(sq.short) %>"
+                   class="px-3 py-1 rounded-full text-[11px] font-medium border border-[rgba(144,238,144,0.15)] text-muted hover:text-accent hover:border-[rgba(144,238,144,0.35)] transition-colors">
+                    <span class="opacity-60"><%= sq.short %></span> // <%= sq.long %>
+                </a>
+                <% }); %>
+            </div>
+        </div>
+    </section>
+    <% } %>
+
     <!-- Footer -->
     <%- include('partials/footer') %>