chore: Update start_server.sh to use uv for package installation

start_server.sh

@@ -30,10 +30,11 @@ done
 # GPU detection and package installation
 if command -v nvidia-smi &> /dev/null && nvidia-smi -L; then
     echo "GPU detected. Installing GPU-specific Python packages."
-    pip install --no-cache-dir -r /home/user/notebooks/requirements_gpu.txt
+    uv pip install --no-cache-dir -r /home/user/notebooks/requirements_gpu.txt --system
 else
     echo "No GPU detected. Installing CPU-specific Python packages."
-    pip install --no-cache-dir -r /home/user/notebooks/requirements_cpu.txt
+    uv pip install --no-cache-dir -r /home/user/notebooks/requirements_cpu.txt --system
+    
 fi
 
 JUPYTER_TOKEN="${JUPYTER_TOKEN:=huggingface}"