📃 [ENHANCEMENT] -want to update Competitive programming documentation

[nishant0708]

Issue Verification

• [X] I have verified that this is a new documentation issue.
• [X] I'm interested in working on this issue
• [X] I'm part of GSSOC organization

Documentation Area📚

key topics seem irrelevant..want to add correct information as well as -path how to start how to keep yourself motivated -Add More resources -Interview prep section

Issue Description✍️

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Relevant Links🔗

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Additional Context

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Code of Conduct

• [X] I follow the CONTRIBUTING GUIDELINE of this project.

[github-actions[bot]]

Thank you for raising this issue! We'll look into it as soon as possible. Please ensure that the issue is not duplicate, and you read CONTRIBUUTING.md carefully. Your contributions are highly appreciated! 😊