refactor: convert "Deploy in Cloud" buttons to external links across home and network pages

- Changed all "Deploy in Cloud" buttons from internal /cloud routes to external myceliumcloud.tf links
- Updated Button components to use as="a" with target="_blank" and rel="noopener noreferrer"
- Removed arrow character from some button labels for consistency
- Applied changes to CallToAction, HomeAurora, HomeHero, and HomeNew components

src/pages/home/HomeAurora.tsx

@@ -30,8 +30,14 @@ export function HomeAurora() {
               >
                 Start Hosting
               </Button>
-              <Button to="/cloud" variant="outline">
-                Deploy in Cloud →
+              <Button
+                as="a"
+                to="https://myceliumcloud.tf"
+                variant="outline"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                Deploy in Cloud
               </Button>
             </div>
           </div>