Add slimpajama example
State: closed | Pull request: yes
Labels: name: Run CICD

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```python
# Add a code snippet demonstrating how to use this 
```

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This PR is stale because it has been open for 14 days with no activity. Remove stale label or comment or update or this will be closed in 7 days.

Let's move notebooks to ./tutorials

> I completed the technical edit of the tutorials/llm/slimpajama/data_pipeline.ipynb and tutorials/llm/slimpajama/pretraining.ipynb files and left comments. Please review the copyedits, make the changes to the source files, and resolve all open threads in the Reply field.

I have made all the changes and resolved the threads, PTAL.

[🤖]: Hi @hemildesai 👋,

We wanted to let you know that a [CICD pipeline](https://github.com/NVIDIA/NeMo/actions/runs/11902069897) for this PR just finished successfully

So it might be time to merge this PR or get some approvals

I'm just a bot so I'll leave it you what to do next.

//cc @pablo-garay @ko3n1g

Can we move this into the llama-3 folder, and add a README there with
* Pre-requisites / Requirements 
* Instructions to use the container 
* Start jupyter notebook. 
 
Reference: https://github.com/NVIDIA/NeMo/tree/main/tutorials/llm/llama-3/biomedical-qa

Does not have to be very comprehensive, just what the user needs to know/do to be able to run this.



@shashank3959 Addressed the comments in https://github.com/NVIDIA/NeMo/pull/10671/commits/dc304df6e3cc2974045cfa745581fbb57a19fe1b

@HuiyingLi addressed your comments, could you reapprove?

[🤖]: Hi @hemildesai 👋,

We wanted to let you know that a [CICD pipeline](https://github.com/NVIDIA/NeMo/actions/runs/12399331055) for this PR just finished successfully

So it might be time to merge this PR or get some approvals

I'm just a bot so I'll leave it you what to do next.

//cc @pablo-garay @ko3n1g