Fixing the 'pre-commit install' command in the quick start guide of the NGF

[sindhushiv]

Proposed changes

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following format:

Problem: The 'pre-commit install' command needs to be executed after the git project is created.

Solution: Moved the 'pre-commit install' command to later in the instructions, after the fork and clone instructions are executed.

Testing (optional): Verified in the documentation whether it renders correctly.

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specific feedback, add them here.

Checklist

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• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

Release notes

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please add a brief note that summarizes the change.