ui(support): move 'Keep the map free' from /about to /supporters

The Supporters page is where someone is already asking 'who funds this?', and
its Support section already explains the Angor rail — the Lightning element sits
right beside it (public zap / pay quietly). Removed from About.

src/pages/AboutPage.tsx

@@ -1,7 +1,6 @@
 import { useSeoMeta } from '@unhead/react';
 import { Link } from 'react-router-dom';
 import { Card, CardContent } from '@/components/ui/card';
-import { SupportSkateSpots } from '@/components/SupportSkateSpots';
 import { Button } from '@/components/ui/button';
 import { useCurrentUser } from '@/hooks/useCurrentUser';
 import { useToast } from '@/hooks/useToast';
@@ -309,9 +308,6 @@ Version: v0.1.0`;
           </CardContent>
         </Card>
 
-        {/* Support the project — the honest "how it's funded" element */}
-        <SupportSkateSpots className="mt-8" />
-
         {/* Powered By */}
         <div className="text-center mt-8 pb-6 px-4">
           <p className="text-gray-400 mb-3 uppercase tracking-wide text-sm">Powered by</p>

src/pages/SupportersPage.tsx

@@ -1,6 +1,7 @@
 import { useSeoMeta } from '@unhead/react';
 import { Link } from 'react-router-dom';
 import { ExternalLink, Zap, Heart, Users, Handshake, Building2, Star } from 'lucide-react';
+import { SupportSkateSpots } from '@/components/SupportSkateSpots';
 
 const ANGOR_PROJECT_URL = 'https://angor.io/project/angor1qtunna00uqyx52rr0nvqa059z2gknhrmn7urd6z';
 
@@ -282,6 +283,9 @@ export default function SupportersPage() {
               </span>
             </div>
           </div>
+
+          {/* Lightning rail — the in-app way to chip in (zap publicly or pay quietly). */}
+          <SupportSkateSpots className="mt-4" />
         </section>
 
         {/* ── 2. Collaborators ── */}