docs(recipes): add kafka + examples section overhaul #4491

Job	Run time
Generate backend architecture graph	1m 16s
Build docker image	1m 29s
config-e2e	4s
Agent unit tests	2m 56s
CLI unit tests	2m 44s
API Server unit tests	6m 55s
WebUI unit tests	3m 2s
WebUI End-to-end tests (1)	5m 34s
CLI smoke tests (local)	55s
CLI e2e tests (8, 0)	3m 36s
CLI smoke tests (docker)	1m 0s
WebUI End-to-end tests (2)	5m 24s
Test examples (collector)	1m 1s
CLI e2e tests (8, 1)	3m 29s
WebUI End-to-end tests (3)	5m 19s
Test examples (tracetest-jaeger)	51s
CLI e2e tests (8, 2)	4m 19s
WebUI End-to-end tests (4)	5m 20s
Test examples (tracetest-opensearch)	8m 30s
CLI e2e tests (8, 3)	3m 25s
WebUI End-to-end tests (5)	5m 8s
Test examples (tracetest-tempo)	56s
Tracetesting API Server	5m 8s
CLI e2e tests (8, 4)	3m 34s
WebUI End-to-end tests (6)	5m 34s
Test examples (tracetest-no-tracing)	50s
CLI e2e tests (8, 5)	4m 2s
WebUI End-to-end tests (7)	8m 52s
Test examples (tracetest-provisioning-env)	42s
CLI e2e tests (8, 6)	5m 32s
WebUI End-to-end tests (8)	5m 17s
Test examples (tracetest-signoz)	2m 27s
CLI e2e tests (8, 7)	6m 32s
	2h 1m 43s

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