feat: add MOSS-TTS-Nano single-stage TTS support (#2753)

Signed-off-by: Yueqian Lin <linyueqian@outlook.com>
Signed-off-by: Yueqian Lin <70319226+linyueqian@users.noreply.github.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>

vllm_omni/config/pipeline_registry.py

@@ -85,4 +85,8 @@ _OMNI_PIPELINES: dict[str, tuple[str, str]] = {
         "vllm_omni.model_executor.models.fish_speech.pipeline",
         "FISH_SPEECH_PIPELINE",
     ),
+    "moss_tts_nano": (
+        "vllm_omni.model_executor.models.moss_tts_nano.pipeline",
+        "MOSS_TTS_NANO_PIPELINE",
+    ),
 }