refactor: update CTA buttons with external links and navigation improvements

- Changed "Deploy a Model" button in agents CallToAction to external link (myceliumcloud.tf) with target="_blank"
- Updated "Host a Node" button path from /host to /nodes in agents and cloud CallToAction
- Changed cloud CallToAction "Start Deploying" button to external link with target="_blank"
- Updated CloudHeroNew buttons to external links for myceliumcloud.tf and docs
- Removed onGetStartedClick handler from CloudHeroNew in

src/pages/network/Hero.tsx

@@ -96,8 +96,15 @@ export function Hero() {
               <Button to="/download" variant="solid" color="cyan">
                 Get Started
               </Button>
-              <Button to="/download" variant="outline" color="cyan">
-               Explore Docs
+              <Button
+                as="a"
+                to="https://threefold.info/mycelium_network/docs/"
+                variant="outline"
+                color="cyan"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                Explore Docs
               </Button>
             </div>
           </div>

src/pages/network/NetworkDownload.tsx

@@ -42,7 +42,7 @@ const features = [
 
 export function NetworkDownload() {
   return (
-   <section className="w-full max-w-8xl mx-auto bg-transparent">
+   <section id="download" className="w-full max-w-8xl mx-auto bg-transparent">
 
       {/* ✅ Top horizontal line with spacing */}
       <div className="max-w-7xl bg-transparent mx-auto py-6 border border-t-0 border-b-0 border-gray-100"></div>