refactor: rename Node page to Nodes and reorganize network page sections

- Renamed NodePage component and directory to NodesPage/nodes for consistency
- Updated all navigation links from "Node" to "Nodes" across headers and footer
- Replaced anchor tags with React Router Link components for proper SPA navigation
- Reorganized NetworkPage component order and added NetworkPros section
- Converted NetworkUsecases from horizontal slider to responsive grid layout
- Added new use cases for adaptive mesh and compute fabric
- Update

src/App.tsx

@@ -11,7 +11,7 @@ const ComputePage = lazy(() => import('./pages/compute/ComputePage'));
 const StoragePage = lazy(() => import('./pages/storage/StoragePage'));
 const GpuPage = lazy(() => import('./pages/gpu/GpuPage'));
 const PodsPage = lazy(() => import('./pages/pods/PodsPage'));
-const NodePage = lazy(() => import('./pages/node/NodePage'));
+const NodesPage = lazy(() => import('./pages/nodes/NodesPage'));
 
 function App() {
   return (
@@ -28,7 +28,7 @@ function App() {
             <Route path="storage" element={<StoragePage />} />
                         <Route path="gpu" element={<GpuPage />} />
             <Route path="pods" element={<PodsPage />} />
-            <Route path="nodes" element={<NodePage />} />
+            <Route path="nodes" element={<NodesPage />} />
           </Route>
         </Routes>
       </Suspense>