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/pages/home/CallToAction.tsx

@@ -1,3 +1,4 @@
+import { Link } from 'react-router-dom';
 import { Container } from '@/components/Container'
 import { Button } from '@/components/Button'
 import { H3, P } from '@/components/Texts'
@@ -63,9 +64,9 @@ export function CallToAction() {
                 Deploy in Cloud
               </Button>
 
-              <a href="/nodes" className="text-cyan-400 hover:text-cyan-300 transition-colors">
+              <Link to="/nodes" className="text-cyan-400 hover:text-cyan-300 transition-colors">
                 Host a Node &rarr;
-              </a>
+              </Link>
             </div>
           </div>
         </Container>