Various UI cleanups: remove Nostr footer link, hide Map&Earn, update NostrHub links

- Index.tsx: remove Nostr.com button from homepage footer (next to FAQ/About)
- SupportersPage: change 'View on GitHub' → 'View on NostrHub' with correct naddr URL
- Layout: remove 'Map & Earn' (/bounties) from desktop More dropdown menu
- Layout: remove 'Map & Earn' (/bounties) from mobile slide-out nav
- Layout: clean up unused Gift icon import and stale isActive check

Co-authored-by: shakespeare.diy <assistant@shakespeare.diy>

src/components/Layout.tsx

@@ -34,7 +34,6 @@ import {
   Info,
   Bookmark,
   MessageCircle,
-  Gift,
   LogOut,
   User,
   LogIn,
@@ -392,7 +391,7 @@ export function Layout({ children }: LayoutProps) {
                   variant="ghost" 
                   className={cn(
                     'flex items-center gap-2 px-4 py-2 rounded-lg transition-all duration-200 text-sm font-bold uppercase tracking-wide h-auto',
-                    (isActive('/bounties') || isActive('/stats') || isActive('/about'))
+                    (isActive('/stats') || isActive('/about'))
                       ? 'text-red-500'
                       : 'text-gray-400 hover:text-red-400'
                   )}
@@ -418,13 +417,6 @@ export function Layout({ children }: LayoutProps) {
                     </Link>
                   </DropdownMenuItem>
                 )}
-                <DropdownMenuItem asChild>
-                  <Link to="/bounties" className="flex items-center gap-2 cursor-pointer">
-                    <Gift className="h-4 w-4 text-orange-400" />
-                    <span className="text-orange-400">Map & Earn</span>
-                  </Link>
-                </DropdownMenuItem>
-
                 <DropdownMenuItem asChild>
                   <Link to="/stats" className="flex items-center gap-2 cursor-pointer">
                     <BarChart3 className="h-4 w-4" />
@@ -647,13 +639,6 @@ export function Layout({ children }: LayoutProps) {
                         onClick={() => setMobileMenuOpen(false)}
                       />
                     )}
-                    <NavLink
-                      href="/bounties"
-                      label="Map & Earn"
-                      icon={Gift}
-                      isActive={isActive('/bounties')}
-                      onClick={() => setMobileMenuOpen(false)}
-                    />
                     <NavLink
                       href="/stats"
                       label={t('nav.stats')}

src/pages/AboutPage.tsx

@@ -277,7 +277,7 @@ Version: v0.1.0`;
                 { label: 'Built with', name: 'MKStack', url: 'https://soapbox.pub/mkstack', desc: 'Nostr client framework' },
                 { label: 'Vibed with', name: 'Shakespeare', url: 'https://shakespeare.diy', desc: 'AI-powered development' },
                 { label: 'Powered by', name: 'Nostr', url: 'https://nostr.com', desc: 'Decentralized protocol' },
-                { label: 'Crowdfunding', name: 'Geyser', url: 'https://geyser.fund/project/skatespots', desc: 'Bitcoin Lightning crowdfunding' },
+                { label: 'Crowdfunding', name: 'Geyser', url: 'https://geyser.fund/project/skatespots', desc: 'Centralized Bitcoin Lightning crowdfunding' },
                 { label: 'Crowdfunding', name: 'Angor', url: 'https://angor.io/', desc: 'Bitcoin crowdfunding platform' },
                 { label: 'Distributed on', name: 'Zapstore', url: 'https://zapstore.dev/apps/org.skatespots.app', desc: 'Open-source app store' },
                 { label: 'AI powered by', name: 'ContextVM', url: 'https://contextvm.org/s/e3564bb877adb0c99a7e4973ccb22e516d7d9eca0027d0bd62a04174ed670530', desc: 'Nostr AI infrastructure' },

src/pages/Index.tsx

@@ -530,14 +530,6 @@ function Footer() {
             <Link to="/about" className="text-gray-400 hover:text-[#ff0040] transition-colors uppercase font-bold tracking-wide">
               {t('nav.about')}
             </Link>
-            <a
-              href="https://nostr.com"
-              target="_blank"
-              rel="noopener noreferrer"
-              className="text-gray-400 hover:text-[#ccff00] transition-colors uppercase font-bold tracking-wide"
-            >
-              Nostr
-            </a>
           </div>
         </div>
       </div>

src/pages/LicensePage.tsx

@@ -66,7 +66,7 @@ export default function LicensePage() {
             <p>Built with ❤️ on <span className="text-[#ff0040]">Nostr</span> · Powered by <span className="text-[#f7931a]">Bitcoin Lightning ⚡</span></p>
             <p>
               <a
-                href="https://github.com/skatespots"
+                href="https://nostrhub.io/naddr1qvzqqqrhnypzqg88e9f588nx7wyz4wt0ura23w3yd4hmztqrkr95utwyvgachjepqyd8wumn8ghj7emfwsh8x6rpddjhxur9v9ex2tnyd9uj7qq22d4kzar92dcx7arnhyhdwn"
                 target="_blank"
                 rel="noopener noreferrer"
                 className="text-[#ccff00]/70 hover:text-[#ccff00] transition-colors underline"

src/pages/SupportersPage.tsx

@@ -47,10 +47,10 @@ const PARTNERS: Partner[] = [
 
 const FRIENDS: Friend[] = [
   {
-    name: 'No Teeth Skateboarding',
-    logo: 'https://blossom.dreamith.to/61bb7055930c442dfe1dfe5b8a8be5417f9b62f68ed79dc4ffbbddce5d4f122c.png',
-    url: 'https://www.instagram.com/noteethskateboarding/',
-    tagline: 'Handmade Long Lasting Skateboards',
+    name: 'Geyser',
+    logo: 'https://geyser.fund/logo-brand.svg',
+    url: 'https://geyser.fund/project/skatespots',
+    description: 'Centralized Bitcoin Lightning crowdfunding',
   },
   // Add more friends here
 ];
@@ -390,13 +390,13 @@ export default function SupportersPage() {
               <p className="text-gray-500 text-sm mb-1">Want to collaborate?</p>
               <p className="text-xs text-gray-600 mb-4">Developers, designers, skaters with skills — reach out.</p>
               <a
-                href="https://github.com/soapbox-pub/mkstack"
+                href="https://nostrhub.io/naddr1qvzqqqrhnypzqg88e9f588nx7wyz4wt0ura23w3yd4hmztqrkr95utwyvgachjepqyd8wumn8ghj7emfwsh8x6rpddjhxur9v9ex2tnyd9uj7qq22d4kzar92dcx7arnhyhdwn"
                 target="_blank"
                 rel="noopener noreferrer"
                 className="inline-flex items-center gap-1.5 text-xs font-bold text-[#ff0040]/70 hover:text-[#ff0040] transition-colors"
               >
                 <ExternalLink className="h-3 w-3" />
-                View on GitHub
+                View on NostrHub
               </a>
             </div>
           )}