added InterviewBit Nearest Smaller Element

[dhyanid13]

Hey there!, Thanks for submitting a PR to this repo Please complete the following checklist for your PR to be approved. Mark the items by adding an x.
Example: - [ ] Mark me as completed
To mark: - [x] Mark me as completed

• [x ] My Pull Request adheres to the Contribution guidelines.
• [x ] I have added readme.md and solution files in the appropriate folder
• [ x] None of the folder and file names I have added contain any invalid characters, leading digits or trailing whitespaces
• [x ] The solution I have given is my own and not plagiarized in any form.
• [ x] My solution passes all the testcases.
• [ x] I have properly indented and documented my solution using comments.

If any of the above is unmarked, please make the necessary changes and then mark them so that you're PR can be approved and merged.

[welcome[bot]]

Congrats on submitting your first Pull Request here! :tada: :tada: Your PR would be reviewed by a maintainer soon :heavy_check_mark: In the meantime, :star: star this repo and check out our Instagram page if you wanna learn more about CP & DSA! :smiley:

[mergify[bot]]

Hey there, looks like there are some conflicting files. Please resolve the conflicts so that your Pull Request can be reviewed.

[dhyanid13]

It would really be helpful if you could tell me how to resolve this conflict as I did not add any Leetcode files

[Vishruth-S]

@dhyanid13 Please delete the readme.md file as it already exists

[Vishruth-S]

Please update your fork and send another Pull Request without conflicts, thanks!