Update run script to include initialization sleep time and support for loading prompts from a .pt file.

Signed-off-by: tzhouam <tzhouam@connect.ust.hk>

examples/offline_inference/qwen_2_5_omni/run.sh

@@ -1,8 +1,9 @@
 export PYTHONPATH=/path/to/vllm-omni:$PYTHONPATH
 python end2end.py --model Qwen/Qwen2.5-Omni-7B \
-                                 --prompts "Explain the system architecture for a scalable audio generation pipeline. Answer in 15 words." \
                                  --voice-type "m02" \
                                  --dit-ckpt none \
                                  --bigvgan-ckpt none \
                                  --output-wav output_audio \
-                                 --prompt_type text
+                                 --prompt_type text \
+                                 --init-sleep-seconds 0 \
+                                 --pt-prompts top100.pt