docs(github): update pull request template

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,19 +1,26 @@
+<!--- Thank you for contributing to git-cliff! ⛰️  -->
+
 ## Description
+
 <!--- Describe your changes in detail -->
 
 ## Motivation and Context
+
 <!--- 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, and the tests you ran to -->
 <!--- see how your change affects other areas of the code, etc. -->
 
-## Screenshots / Output (if appropriate):
+## Screenshots / Logs (if applicable)
+
+## Types of Changes
 
-## 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 change)
@@ -22,9 +29,13 @@
 - [ ] Other <!--- (provide information) -->
 
 ## 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.
 - [ ] I have updated the documentation accordingly.
+- [ ] I have formatted the code with [rustfmt](https://github.com/rust-lang/rustfmt).
+- [ ] I checked the lints with [clippy](https://github.com/rust-lang/rust-clippy).
 - [ ] I have added tests to cover my changes.
 - [ ] All new and existing tests passed.