chore: adding llm example #6540

Job	Run time
Agent unit tests	1m 3s
CLI unit tests	31s
API Server unit tests	2m 35s
WebUI unit tests	1m 51s
Build docker image	5m 59s
config-e2e	1s
CLI smoke tests (local)	39s
CLI smoke tests (docker)	40s
Tracetesting API Server (InMemory)	4m 6s
Test examples (collector)	46s
WebUI End-to-end tests (1)	2m 40s
Test examples (tracetest-jaeger)	41s
WebUI End-to-end tests (2)	2m 35s
Test examples (tracetest-opensearch)	7m 15s
Tracetesting API Server (NATS)	4m 35s
CLI e2e tests (8, 0)	1m 22s
Test examples (tracetest-tempo)	37s
WebUI End-to-end tests (3)	2m 40s
CLI e2e tests (8, 1)	1m 23s
Test examples (tracetest-provisioning-env)	41s
WebUI End-to-end tests (4)	2m 36s
CLI e2e tests (8, 2)	1m 22s
WebUI End-to-end tests (5)	2m 31s
CLI e2e tests (8, 3)	1m 35s
WebUI End-to-end tests (6)	2m 31s
CLI e2e tests (8, 4)	1m 37s
WebUI End-to-end tests (7)	3m 49s
CLI e2e tests (8, 5)	2m 48s
WebUI End-to-end tests (8)	2m 37s
CLI e2e tests (8, 6)	1m 30s
CLI e2e tests (8, 7)	3m 40s
	1h 9m 16s

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