Added N Ropes with minimum Cost

[JayantGoel001]

Have you read the Contributing Guidelines on Pull Requests?

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• [x] I've read the contribution guidelines.
• [x] I've checked the issue list before deciding what to submit.
• [x] I've edited the README.md and link to my code.

Related Issues or Pull Requests

(#7560 )

[JayantGoel001]

@iamrajiv Please review my PR and consider merging it.

[JayantGoel001]

@iamrajiv Please add hacktoberfest label also