## Description
<!--- Describe your changes in detail. -->



## Checklist
<!--- We appreciate your help and want to give you credit. Please take a moment to put an `x` in the boxes below as you complete them. -->
- [ ] I've added this contribution to the `changelog.md`.
- [ ] I've added my name to the `AUTHORS` file (or it's already there).

## Description
<!--- Describe your changes in detail. -->



## Checklist
<!--- We appreciate your help and want to give you credit. Please take a moment to put an `x` in the boxes below as you complete them. -->
- [ ] I've added this contribution to the `changelog.rst`.
- [ ] I've added my name to the `AUTHORS` file (or it's already there).

Switch PR template changelog ext from .md to .rst
Switch PR template changelog ext from .md to .rst
