feat: add nodes page with hosting information and benefits

- Created new NodePage with hero section explaining the Mycelium node network
- Added NodeBenefits component showcasing three key advantages of hosting nodes
- Integrated nodes route into navigation (header, footer, and routing configuration)

src/pages/node/NodePage.tsx

@@ -0,0 +1,14 @@
+import React from 'react';
+import { NodeHero } from './NodeHero';
+import { NodeBenefits } from './NodeBenefits';
+
+const NodePage: React.FC = () => {
+  return (
+    <>
+      <NodeHero />
+      <NodeBenefits />
+    </>
+  );
+};
+
+export default NodePage;