docs: Change ABC Bot link to GitHub absolute URL in getting-started RAG guide

[bwook00]

Description

The getting-started RAG guide don't link to ABC Bot, so I kept looking for the quick example.
It's in the README under Examples, so I replaced it with an Github absolute URL:
Now we can go directly to the ABC bot example in the docs.

Checklist

• I've read the CONTRIBUTING guidelines.
• I've updated the documentation if applicable.
• I've added tests if applicable.
• @mentions of the person or team responsible for reviewing proposed changes.

[github-actions]

Documentation preview

https://nvidia.github.io/NeMo-Guardrails/review/pr-1261

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.59%. Comparing base (9cdad05) to head (20758e6).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1261      +/-   ##
===========================================
+ Coverage    69.57%   69.59%   +0.02%     
===========================================
  Files          161      161              
  Lines        16023    16029       +6     
===========================================
+ Hits         11148    11156       +8     
+ Misses        4875     4873       -2     

Flag	Coverage Δ
python	69.59% <ø> (+0.02%)	⬆️

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see 2 files with indirect coverage changes

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[bwook00]

@miyoungc If you have time, Can you review my PR? 😀

[miyoungc]

@miyoungc If you have time, Can you review my PR? 😀

@bwook00 Thank you for your contribution! Would you follow this instruction and re-push a GPG-signed commit?

[bwook00]

@miyoungc Thanks for review!
I followed the instruction and re-push!
And I got verified :)
(I accidentally did 2 commits, including a local file commit and a delete commit)

[miyoungc]

@miyoungc Thanks for review! I followed the instruction and re-push! And I got verified :) (I accidentally did 2 commits, including a local file commit and a delete commit)

I'd recommend you to run git reset --soft <SHA of the commit before your first commit> and then re-do the commit to clean up the commit history with those unrelated changes.

[miyoungc]

@Pouyanpi @tgasser-nv @mikemckiernan Can we get one more approval?

[bwook00]

I'd recommend you to run git reset --soft <SHA of the commit before your first commit> and then re-do the commit to clean up the commit history with those unrelated changes.

I've cleaned up the commit history.
Thank you for the kind review !