Fix: Add git installation to Dockerfile for RepoMix

Dockerfile

@@ -4,10 +4,11 @@ FROM python:3.10-slim
 # Set the working directory in the container
 WORKDIR /app
 
-# Install system dependencies for Node.js installation
+# Install system dependencies for Node.js installation and Git
 RUN apt-get update && apt-get install -y \
     curl \
     gnupg \
+    git \
     && rm -rf /var/lib/apt/lists/*
 
 # Add Node.js LTS repository and install Node.js and npm