Add issue and pull request template

[andoriyaprashant]

Issue Template: It helps users report issues and request features more effectively by guiding them to provide essential information. This improves issue quality and community standards on GitHub.

Pull Request Template: This structured format streamlines the contribution process. Contributors can provide necessary details about their changes, related issues, and completed tasks. It promotes organized and well-documented pull requests, enhancing collaboration and GitHub standards.

ScreenShot -

[andoriyaprashant]

Hello @tillkamppeter

I would like to add these templates to our repository. If you consider this issue valuable, could you please assign it to me
I will work on implementing it.

Thank you