Update README.md - typo in example code

Someone forgot to add `2` to `from deepseek_vl2.models ...`

Even example in [**Github Repository**](https://github.com/deepseek-ai/DeepSeek-VL2) shows it with `2`

README.md

@@ -48,8 +48,8 @@ pip install -e .
 import torch
 from transformers import AutoModelForCausalLM
 
-from deepseek_vl.models import DeepseekVLV2Processor, DeepseekVLV2ForCausalLM
-from deepseek_vl.utils.io import load_pil_images
+from deepseek_vl2.models import DeepseekVLV2Processor, DeepseekVLV2ForCausalLM
+from deepseek_vl2.utils.io import load_pil_images
 
 
 # specify the path to the model