chore: add PR template

Signed-off-by: Mathew Wicks <[email protected]>

Author: thesuperzapper

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,15 @@
+<!-- 
+⚠️ please review https://github.com/deployKF/cli/blob/main/CONTRIBUTING.md
+
+Thank you for contributing to deployKF!
+
+If there are related issues, please reference them using one of the following:
+
+ closes: #ISSUE
+ related: #ISSUE
+
+Please remember:
+ - provide enough information so that others can review your pull request
+ - use a semantic title for your pull request (like "fix: xxxxx" or "feat: xxxxx", see contributing guide)
+ - the title of your pull request will be used to generate the changelog entry, so make it count!
+-->