Add AFMoE model implementation (#13216)

python/sglang/srt/utils/hf_transformers_utils.py

@@ -44,6 +44,7 @@ from transformers import (
 from transformers.models.auto.modeling_auto import MODEL_FOR_CAUSAL_LM_MAPPING_NAMES
 
 from sglang.srt.configs import (
+    AfmoeConfig,
     ChatGLMConfig,
     DbrxConfig,
     DeepseekVL2Config,
@@ -71,6 +72,7 @@ from sglang.srt.utils import is_remote_url, logger, lru_cache_frozenset, mistral
 from sglang.srt.utils.patch_tokenizer import patch_tokenizer
 
 _CONFIG_REGISTRY: List[Type[PretrainedConfig]] = [
+    AfmoeConfig,
     ChatGLMConfig,
     DbrxConfig,
     ExaoneConfig,