added vLLM examples

README.md

machine-and-deep-learning/vllm/README.md

machine-and-deep-learning/vllm/basic.py

machine-and-deep-learning/vllm/chat.py

machine-and-deep-learning/vllm/submit_job_container.sh

machine-and-deep-learning/vllm/submit_job_venv.sh