[Model] Add Nemotron 3.5 ASR transcription support (#59827)

Signed-off-by: Sohaib-Ahmed21 <sohaibahmed1919@gmail.com>

docs/models/supported_models.md

@@ -199,6 +199,7 @@ Some model architectures are supported via vLLM plugins. These plugins extend vL
 | ------------ | ------ | ----------------- |
 | `BartForConditionalGeneration` | BART | [bart-plugin](https://github.com/vllm-project/bart-plugin) |
 | `Florence2ForConditionalGeneration` | Florence-2 | [bart-plugin](https://github.com/vllm-project/bart-plugin) |
+| `Nemotron3_5AsrForRNNT` | NVIDIA Nemotron 3.5 ASR | [vllm-nemotron-asr-plugin](https://github.com/Sohaib-Ahmed21/vllm-nemotron-asr-plugin) |
 
 For other model architectures not natively supported, in particular for Encoder-Decoder models, we recommend following a similar pattern by implementing support through the plugin system.
 

docs/usage/v1_guide.md

@@ -138,6 +138,7 @@ Whisper is supported natively. Other encoder-decoder models are supported via th
 
 - **BART**: `BartForConditionalGeneration` is supported via the official [bart-plugin](https://github.com/vllm-project/bart-plugin).
 - **Florence-2**: `Florence2ForConditionalGeneration` is supported via the official [bart-plugin](https://github.com/vllm-project/bart-plugin).
+- **Nemotron 3.5 ASR**: `Nemotron3_5AsrForRNNT` is supported via [vllm-nemotron-asr-plugin](https://github.com/Sohaib-Ahmed21/vllm-nemotron-asr-plugin).
 
 For other encoder-decoder models (e.g., `MllamaForConditionalGeneration`), we recommend
 following a similar pattern by implementing support through the [plugin system](../design/plugin_system.md).

vllm/model_executor/models/registry.py

@@ -849,6 +849,7 @@ _OOT_SUPPORTED_MODELS = {
     "BartForConditionalGeneration": "https://github.com/vllm-project/bart-plugin",
     "Florence2ForConditionalGeneration": "https://github.com/vllm-project/bart-plugin",
     "MBartForConditionalGeneration": "https://github.com/vllm-project/bart-plugin",
+    "Nemotron3_5AsrForRNNT": "https://github.com/Sohaib-Ahmed21/vllm-nemotron-asr-plugin",
 }