Add 'text-formatter' sample project to index.json

[Mohiit70]

Added sample project to index.json

Pull Request Title

Description

Please include a summary of the change or the feature being introduced. Include relevant motivation and context. List any dependencies that are required for this change.

• This change requires a documentation update
• I have made corresponding changes to the documentation

Related Issue(s)

This PR addresses issue #X

Screenshots

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Notes

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[RS-labhub]

Sign the DCO please:

git commit --amend --author="your_name <your_email>"
example: git commit --amend --author="Rohan Sharma 117426013+RS-labhub@users.noreply.github.com"

Or do git commit --amend and then add this message below your commit message:
Signed-off-by: your-name <your-email>

The email should be one associated with your github

and then push it forcefully (git push --force)

[Tpuljak]

Please sign the commit

[Tpuljak]

Commit is still not signed off.
Run "git commit --amend -s --no-edit && git push -f"

[Tpuljak]

@Mohiit70 please resolve the conflict

[Mohiit70]

@Mohiit70 please resolve the conflict

Done