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/cloud/CloudHeroNew.tsx

@@ -27,13 +27,22 @@ export function CloudHeroNew({ onGetStartedClick = () => {} }: { onGetStartedCli
             </p>
             <div className="mt-10 flex items-center gap-x-6">
               <Button
-                onClick={onGetStartedClick}
+                as="a"
+                to="https://myceliumcloud.tf"
                 variant="solid"
                 color="cyan"
+                target="_blank"
+                rel="noopener noreferrer"
               >
                 Deploy Workloads
               </Button>
-              <Button to="#" variant="outline">
+              <Button
+                as="a"
+                to="https://myceliumcloud.tf/docs"
+                variant="outline"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
                 Explore Docs <span aria-hidden="true">→</span>
               </Button>
             </div>
@@ -41,7 +50,7 @@ export function CloudHeroNew({ onGetStartedClick = () => {} }: { onGetStartedCli
         </div>
         
       </div>
-      {/* ✅ Bottom horizontal line with spacing */}
+      {/* Bottom horizontal line with spacing */}
       <div className="w-full border-b  border-gray-100" />
       <div className="max-w-7xl bg-transparent mx-auto py-6 border border-t-0 border-b-0 border-gray-100"></div>
     </div>