add hunyuan as model option

Author: neph1

config/config_template.yaml

@@ -30,7 +30,7 @@ lr_num_cycles: 1
 lr_scheduler: ['linear', 'cosine', 'cosine_with_restarts', 'polynomial', 'constant', 'constant_with_warmup']
 lr_warmup_steps: 400
 max_grad_norm: 1.0
-model_name: ltx_video
+model_name: ['ltx_video', 'hunyuan_video']
 nccl_timeout: 1800
 num_validation_videos: 0
 optimizer: adamw