feat: add iOS, Android, macOS to platform list

Author: steipete

src/pages/index.astro

@@ -58,7 +58,7 @@ const row2 = [...mixed2, ...mixed2];
 
       <p class="description">
         Your personal AI assistant, running on your own devices.<br/>
-        WhatsApp · Telegram · Slack · Discord · Teams · Signal · iMessage · Web
+        WhatsApp · Telegram · Slack · Discord · Teams · Signal · iMessage · Web · iOS · Android · macOS
       </p>
     </header>