Add free resource from telegram

[MeherMankar]

Description

Motivation and Context

How Has This Been Tested?

Types of changes

• [x] Content Update (change which fixes an issue or updates an already existing submission)
• [ ] New Article (change which adds functionality)
• [ ] Documentation change

Checklist:

• [ ] My code follows the code style of this project.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [x] I have made checks to ensure URLs and other resources are valid

[MeherMankar]

Added free resource from telegram so the users doesn't need to buy it.