git commit 'updated documentation'

Author: MasahisaSekita

.github/workflows/autodeploy.yml

@@ -113,6 +113,7 @@ jobs:
           ssh -i private_key -o StrictHostKeyChecking=no ${{ secrets.GCP_USERNAME }}@${{ secrets.GCP_VM_IP }} << 'EOF'
             cd /home/masahisasekita/term-group-project-c01w25-project-course-matrix || { echo "Error: Directory /root/myapp does not exist!"; exit 1; }
 
+            # Clears deployment environment
             sudo docker rmi -f $(sudo docker images -q)
             sudo docker system prune -a --volumes -f