Update Dockerfile

Dockerfile

@@ -1,10 +1,11 @@
 # Use an official Python runtime as the base image
 FROM python:3.9-slim
 
-# Install system dependencies as root
+# Install system dependencies as root (including git for cloning repositories)
 RUN apt-get update && apt-get install -y \
     libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev \
     libswscale-dev libswresample-dev libavfilter-dev \
+    git \
     && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user (Hugging Face Spaces requirement)