[Diffusion] Support Multi-image Generation and Add Web UI Demo for QwenImage (#97)

Signed-off-by: samithuang <285365963@qq.com>
Signed-off-by: SamitHuang <285365963@qq.com>

examples/offline_inference/diffusion/qwen_image.py

@@ -1,20 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
-
-import torch
-
-from vllm_omni.entrypoints.omni import Omni
-
-model_name = "Qwen/Qwen-Image"
-prompt = "a cup of coffee on the table"
-if __name__ == "__main__":
-    m = Omni(
-        model=model_name,
-    )
-    image = m.generate(
-        prompt,
-        height=1024,
-        width=1024,
-        generator=torch.Generator(device="cuda").manual_seed(42),
-    )
-    image[0].save("qwen_image_output.png")