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/network/CallToAction.tsx

@@ -56,9 +56,12 @@ Use the network to link environments, deploy workloads, or host nodes to strengt
               </Button>
 
               <Button
-                to="/cloud"
+                as="a"
+                to="https://myceliumcloud.tf"
                 variant="outline"
                 color="white"
+                target="_blank"
+                rel="noopener noreferrer"
               >
                 Deploy in Cloud
               </Button>