add pull request template

Author: koolamusic

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,34 @@
+<!--- Provide a general summary of your changes in the Title above -->
+
+## Description
+
+<!--- Describe your changes in detail -->
+
+<!--- Why is this change required? What problem does it solve? -->
+
+<!--- If it fixes an open issue, please link to the issue here. -->
+
+## How Has This Been Tested?
+
+<!--- Please describe in detail how you tested your changes. -->
+
+<!--- Include details of your testing environment, tests ran to see how -->
+
+## Types of changes
+
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] This change requires a documentation update
+
+## Checklist:
+
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+
+- [ ] I have read the **CONTRIBUTING** document and have signed (or will sign) the CLA.
+- [ ] I have updated/added documentation affected by my changes.
+- [ ] I have added tests to cover my changes.