Updated PR template

Author: remojansen

PULL_REQUEST_TEMPLATE.md

@@ -1,36 +1,45 @@
+# PR Details
+
 <!--- Provide a general summary of your changes in the Title above -->
 
 ## Description
+
 <!--- Describe your changes in detail -->
 
 ## Related Issue
+
 <!--- This project only accepts pull requests related to open issues -->
 <!--- If suggesting a new feature or change, please discuss it in an issue first -->
 <!--- If fixing a bug, there should be an issue describing it with steps to reproduce -->
 <!--- Please link to the issue here: -->
 
 ## Motivation and Context
+
 <!--- Why is this change required? What problem does it solve? -->
 
-## How Has This Been Tested?
+## How Has This Been Tested
+
 <!--- Please describe in detail how you tested your changes. -->
 <!--- Include details of your testing environment, and the tests you ran to -->
 <!--- see how your change affects other areas of the code, etc. -->
 
 ## Types of changes
+
 <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+
+- [ ] Docs change / refactoring / dependency upgrade
 - [ ] 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 change)
 
-## Checklist:
+## 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! -->
+
 - [ ] My code follows the code style of this project.
 - [ ] My change requires a change to the documentation.
 - [ ] I have updated the documentation accordingly.
-- [ ] My change requires a change to the type definitions.
-- [ ] I have updated the type definitions accordingly.
 - [ ] I have read the **CONTRIBUTING** document.
 - [ ] I have added tests to cover my changes.
-- [ ] All new and existing tests passed.
+- [ ] All new and existing tests passed.