Create README.mar.md

[abhishekd358]

• [x] @Marathi language translation

Application to the Class of 2022🎓

This pull request template helps you complete an application to the Class of 2022. Use the checklist below to verify you have followed the instructions correctly.

Checklist ✅

• [x] I have read the instructions on the README file before submitting my application.
• [x] I made my submission by creating a folder on the _data folder and followed the naming convention mentioned in the instructions (<username>) and markdown file.
• [ ] I have submitted a swag shipping form.
• [x] I have used the Markdown file template to add my information to the Year Book.
• [x] I understand that a reviewer will merge my pull request after examining it or ask for changes in case needed.
• [x] I understand I should not tag or add a reviewer to this Pull Request.
• [x] I have added the event to my Calendar.

[abhishekd358]

I can't Join the GitHub Graduation 2022, and also I have just translated it to Marathi.