Add Dockerfile for development environment

Dockerfile

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+FROM python:3.10-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    git-lfs \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python packages
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application files
+COPY . .
+
+# Set up Hugging Face cache directory
+ENV HF_HOME=/app/cache
+
+# Expose port for the application
+EXPOSE 7860
+
+# Run the application
+CMD ["python", "app.py"]