[Model] Add IndexTTS2 text-to-speech support (#3838)

Signed-off-by: BeatSeat <wendavid552@gmail.com>
Signed-off-by: David <david@podcast.ai>
Signed-off-by: wendavid552 <wendavid552@gmail.com>
Signed-off-by: WenDavid <davidzhangcf@foxmail.com>

vllm_omni/config/pipeline_registry.py

@@ -169,4 +169,8 @@ _OMNI_PIPELINES: dict[str, tuple[str, str]] = {
         "vllm_omni.model_executor.models.dynin_omni.pipeline",
         "DYNIN_OMNI_PIPELINE",
     ),
+    "indextts2": (
+        "vllm_omni.model_executor.models.indextts2.pipeline",
+        "INDEXTTS2_PIPELINE",
+    ),
 }