server: add /slots/status endpoint for secure monitoring#16534

Roshankumarb31 wants to merge 3 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

Roshankumarb31:feature/secure-slots-monitoringRoshankumarb31/llama.cpp:feature/secure-slots-monitoringCopy head branch name to clipboard