chore: create pull request template (#426)

* chore: create pull request template

* run prettier

* Capitalize first letter of third list item

Author: HonkingGoose

.github/pull_request_template.md

@@ -0,0 +1,18 @@
+## Checks
+
+- [ ] I have read the [contributing guidelines](https://github.com/testing-library/eslint-plugin-testing-library/blob/main/CONTRIBUTING.md).
+- [ ] If some rule is added/updated/removed, I've regenerated the rules list.
+- [ ] If some rule meta info is changed, I've regenerated the plugin shared configs.
+
+## Changes
+
+<!-- List the changes you're making with this pull request. -->
+
+-
+
+## Context
+
+<!--
+If you're fixing an issue with this pull request then use the "Fixes" keyword, like this:
+Fixes #123
+-->