doc:Created Issue button and forms respectively

[dakshsinghrathore]

Description

I have added issue buttons for the respective issues and their forms respectively in the issue_template folder by replacing .md code with yaml file

Fixes #263

Have you read the Contributing Guidelines on Pull Requests?

• [x] Yes
• [ ] No

Type of change

Please delete options that are not relevant.

• [x] New feature (non-breaking change which adds functionality)

Checklist:

• [x] My code follows the style guidelines(Clean Code) of this project
• [x] I have performed a self-review of my own code
• [x] My changes generate no new warnings
• [ ] I have added tests/screenshots(if any) that prove my fix is effective or that my feature works.

[dakshsinghrathore]

Kindly review my PR @avinashkranjan and do let me if it needs any edits or else kindly merge it !!