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/network/SecondaryFeatures.tsx

@@ -197,12 +197,12 @@ export function SecondaryFeatures() {
       
       <Container className="py-12 border border-t-0 border-b-0 border-gray-100">
         <div className="mx-auto max-w-4xl sm:text-center">
-          <h2 className="text-base/7 font-semibold text-cyan-500">IN ACTIVE EVOLUTION</h2>
+          <h2 className="text-base/7 font-semibold text-cyan-500">FEATURES</h2>
           <p className="text-3xl lg:text-4xl font-medium tracking-tight text-gray-900">
-           Expanding the Network Layer
+          Core Features
           </p>
           <p className="mt-6 text-lg text-gray-600">
-           The Mycelium Network is evolving to support richer data movement, identity, and application connectivity across the mesh. These enhancements deepen autonomy and improve real-world usability.
+           The Mycelium Network is evolving with new features to support richer data movement, identity, and application connectivity across the mesh. 
           </p>
         </div>
         <ul