Update llm usecase with easy setting

[seokho-son]

`
[llmServer] Starting LLM service in the background...
[llmServer] Checking status of the LLM service...
[llmServer] LLM service is running. PID: 36673

[llmServer] Showing the last 20 lines of the log file (llmServer.log):

[Test: replace localhost with IP address of the server]
curl -X POST http://localhost:5001/query -H "Content-Type: application/json" -d '{"prompt": "What is the Multi-Cloud?"}'
http://localhost:5001/query?prompt=What is the Multi-Cloud?
`

`
cb-user@ip-10-11-10-23:~/llm$ curl -X POST http://localhost:5001/query -H "Content-Type: application/json" -d '{"prompt": "What is the Multi-Cloud?"}'

{"text":" Multi-cloud is the practice of using multiple cloud computing platforms or services from different providers to store and process data. This is often used as a backup or redundancy strategy to ensure data is not lost in case of a system failure or downtime."}
`

[seokho-son]

/approve