Refactor ASCII art in main.py

Updated ASCII art in main.py for better readability.

Author: zhaochenyang20

src/sglang_diffusion_routing/cli/main.py

@@ -24,11 +24,11 @@ def _print_fired_up_banner(log_prefix: str) -> None:
                                 |___/
 
   ____             _            _____                _
- |  _ \ ___  _   _| |_ ___ ____|  ___(_)_ __ ___  __| |   _   _ _ __
- | |_) / _ \| | | | __/ _ \  __| |_  | | '__/ _ \/ _` |  | | | | '_ \
- |  _ < (_) | |_| | ||  __/ |  |  _| | | | |  __/ (_| |  | |_| | |_) |
- |_| \_\___/ \__,_|\__\___|_|  |_|   |_|_|  \___|\__,_|   \__,_| .__/
-                                                               |_|
+ |  _ \ ___  _   _| |_ ___ ____|  ___(_)_ __ ___  __| |_   _ _ __
+ | |_) / _ \| | | | __/ _ \  __| |_  | | '__/ _ \/ _` | | | | '_ \
+ |  _ < (_) | |_| | ||  __/ |  |  _| | | | |  __/ (_| | |_| | |_) |
+ |_| \_\___/ \__,_|\__\___|_|  |_|   |_|_|  \___|\__,_\__,__| .__/
+                                                            |_|
 
 """
     use_color = sys.stdout.isatty() and "NO_COLOR" not in os.environ