Add function calling SFT NeMo2.0 tutorial (#11868) (#12180)

* Add tool learning tutorial.

* Add data transformation script.

* make notebook end-to-end runnable and address comments



* modify prompts



* Enhancements for transition and flow. remove lengthy outputs



* clear outputs



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Signed-off-by: Chen Cui <[email protected]>
Co-authored-by: Euynaheh <[email protected]>
Co-authored-by: Chen Cui <[email protected]>