docs: Extend CLI basic usage examples to all supported CLIs #4425
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Resolves #4378
Summary
Extends the CLI documentation to include basic usage examples for GRPO, RLOO, and KTO, achieving parity with the existing SFT, DPO, and Reward examples.
Changes
trl-lib/ultrafeedback-promptdatasetAI-MO/NuminaMath-TIRdatasettrl-lib/kto-mix-14kdatasetAll three CLIs now have examples in every documentation section:
--accelerate_configVerification
trl/cli.py(lines 47-51)examples/scripts/hfoptionsblocks properly balanced)Testing
Documentation structure validated using Python script to verify: