feat: Implement DNS function placeholder and enhance main page styling for improved layout

Website/server_steering.py

@@ -17,7 +17,7 @@ def add_dns(name: str, port: int) -> bool:
     - bool (True if adding of the Subdomain is active)
     """
     # This is a placeholder function, as the actual implementation would depend on the DNS provider and how the DNS records are managed.
-    pass
+    return False
 
 def clear_special(var_:str) -> str:
     """