odin-default-css-exercises/.github/PULL_REQUEST_TEMPLATE.md

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- [ ] I have thoroughly read and understand the [CSS Exercises Contributing Guide](https://github.com/TheOdinProject/css-exercises/blob/main/CONTRIBUTING.md)
- [ ] The title of this PR is in `file/exercise/folder: brief description of changes` format e.g. `01 flex center: add hint for XYZ`

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- [ ] If one exists, I have linked a related open issue to this PR in Step 2 below
- [ ] If changes were requested, I have made them and re-requested a review from the maintainer (top of the right sidebar)

**1. Description of the Changes**
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**2. Related Issue**
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Closes #XXXXX