update docker file

Dockerfile

@@ -16,7 +16,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Create directories for NLTK and Hugging Face cache data
 RUN mkdir -p /app/nltk_data /app/.cache/huggingface /app/.huggingface_cache
 
-# Download NLTK data (punkt)
+# Download NLTK data (punkt and wordnet)
 RUN python -m nltk.downloader -d /app/nltk_data punkt wordnet
 
 # Set environment variables