add note sync across relays feature

Author: bitkarrot

src/AppRouter.tsx

@@ -4,6 +4,7 @@ import { ScrollToTop } from "./components/ScrollToTop";
 import Index from "./pages/Index";
 import SearchPage from "./pages/SearchPage";
 import CreatePage from "./pages/CreatePage";
+import SyncPage from "./pages/SyncPage";
 import { NIP19Page } from "./pages/NIP19Page";
 import NotFound from "./pages/NotFound";
 
@@ -15,6 +16,7 @@ export function AppRouter() {
         <Route path="/" element={<Index />} />
         <Route path="/search" element={<SearchPage />} />
         <Route path="/create" element={<CreatePage />} />
+        <Route path="/sync" element={<SyncPage />} />
         {/* NIP-19 route for npub1, note1, naddr1, nevent1, nprofile1 */}
         <Route path="/:nip19" element={<NIP19Page />} />
         {/* ADD ALL CUSTOM ROUTES ABOVE THE CATCH-ALL "*" ROUTE */}

src/components/Navigation.tsx

@@ -1,5 +1,5 @@
 import { Link, useLocation } from 'react-router-dom';
-import { Search, Plus } from 'lucide-react';
+import { Search, Plus, RefreshCw } from 'lucide-react';
 import { LoginArea } from '@/components/auth/LoginArea';
 import { cn } from '@/lib/utils';
 
@@ -13,6 +13,12 @@ export function Navigation() {
       icon: Search,
       description: 'Browse and search events'
     },
+    {
+      path: '/sync',
+      label: 'Sync',
+      icon: RefreshCw,
+      description: 'Sync notes between relays'
+    },
     {
       path: '/create',
       label: 'Create',
@@ -40,7 +46,7 @@ export function Navigation() {
               {navItems.map((item) => {
                 const Icon = item.icon;
                 const isActive = location.pathname === item.path;
-                
+
                 return (
                   <Link
                     key={item.path}
@@ -72,7 +78,7 @@ export function Navigation() {
           {navItems.map((item) => {
             const Icon = item.icon;
             const isActive = location.pathname === item.path;
-            
+
             return (
               <Link
                 key={item.path}