guides: add new generator #20251

Job	Run time
setup	1m 11s
notification	6s
specs	1m 14s
scripts	54s
client javascript@22.9.0	8m 23s
client csharp@8.0.401	3m 57s
client dart@3.5.2	4m 8s
client go@1.23.1	3m 37s
client java@8	4m 20s
client java@11	4m 2s
client java@21	4m 28s
client java@17	4m 21s
client kotlin@17.0.12	7m 33s
client php@8.3	4m 20s
client python@3.8	4m 18s
client python@3.9	4m 25s
client python@3.10	4m 4s
client python@3.11	4m 11s
client python@3.12	4m 18s
client ruby@3.3.5	3m 46s
client scala@17.0.12	7m 54s
client swift@5.9	8m 11s
client kotlin${{ (((needs.setup.outputs.RUN_MACOS_KOTLIN_BUILD == 'true') && format('@{0}', fromJSON(needs.setup.outputs.KOTLIN_DATA).version)) \|\| '') }} macos	1s
client swift${{ (((needs.setup.outputs.RUN_MACOS_SWIFT_CTS == 'true') && format('@{0}', fromJSON(needs.setup.outputs.SWIFT_DATA).version)) \|\| '') }} macos	1s
codegen	1s
check_green	1s
push_and_release	1s
	1h 33m 46s

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