PULL_REQUEST_TEMPLATE.md

This PR will...

Why is this Pull Request needed?

Are there any points in the code the reviewer needs to double check?

Resolves issues:

Checklist

• changes have been done against master branch, and PR does not conflict
• no commits have been done in dist folder (we will take care of updating it)
• new unit / functional tests have been added (whenever applicable)
• API or design changes are documented in API.md