MNT Added PR template (#193)

.github/workflows/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,32 @@
+<!--
+Thanks for contributing a pull request! Please ensure you have taken a look at
+the contribution guidelines: https://github.com/skops-dev/skops/blob/main/CONTRIBUTING.rst
+This guideline contains crucial information for your PR to be merged, such as setting up 
+development environment or linting your code.
+-->
+
+#### Reference Issues/PRs
+<!--
+Example: Fixes #1234. See also #3456.
+Please use keywords (e.g., Fixes, partially fixes) to create link to the issues 
+or pull requests you resolved, so that they will automatically be closed when 
+your pull request is merged. 
+See https://github.com/blog/1506-closing-issues-via-pull-requests
+-->
+
+
+#### What does this implement/fix? Explain your changes.
+
+
+#### Any other comments?
+
+
+<!--
+Please be aware that we are a loose team of volunteers so patience is
+necessary; assistance handling other issues is very welcome. We value
+all user contributions, no matter how minor they are. If we are slow to
+review, either the pull request needs some benchmarking, tinkering,
+convincing, etc. or more likely the reviewers are simply busy.
+
+Thanks for contributing!
+-->