What does this PR do ?

Add a one line overview of what this PR aims to accomplish.
Adds deepscaler guide

Issues

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Usage

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uv run examples/run_grpo_math.py --config=examples/configs/grpo-deepscaler-1.5b-8K.yaml
uv run examples/run_grpo_math.py --config=examples/configs/grpo-deepscaler-1.5b-16K.yaml
uv run examples/run_grpo_math.py --config=examples/configs/grpo-deepscaler-1.5b-24K.yaml

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• [Y] Did you add or update any necessary documentation? Visit our Document Development Guide for how to write, build and test the docs.

Additional Information

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