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/CallToAction.tsx

@@ -57,9 +57,12 @@ export function CallToAction() {
               </Button>
 
               <Button
-                to="/cloud"
+                as="a"
+                to="https://myceliumcloud.tf"
                 variant="outline"
                 color="white"
+                target="_blank"
+                rel="noopener noreferrer"
               >
                 Deploy in Cloud
               </Button>

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>

src/pages/home/archive/HomeHero.tsx

@@ -19,7 +19,14 @@ export function HomeHero() {
               Start Hosting
             </Button>
 
-            <Button href="#" variant="outline" color="white">
+            <Button
+              as="a"
+              to="https://myceliumcloud.tf"
+              variant="outline"
+              color="white"
+              target="_blank"
+              rel="noopener noreferrer"
+            >
               Deploy in Cloud <span aria-hidden="true">→</span>
             </Button>
           </div>

src/pages/home/archive/HomeNew.tsx

@@ -39,8 +39,14 @@ export function HomeAurora({ onGetStartedClick }: { onGetStartedClick: () => voi
               >
                 Start Hosting
               </Button>
-              <Button to="#" 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>

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>