Add pull request template (#278)

* Add pull request template

* Add pull request template

Author: frankdekker

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,16 @@
+| Q               | A
+|-----------------| ---
+| Type            | (bugfix / feature / refactoring / documentation update)
+| Issue           | Resolves #.. the corresponding issue for this PR (if exist)
+| Breaking change | yes/no (if yes explain why below)
+
+<!--
+Explain what the PR does and also why. If you have parts you are not sure about, please explain.
+
+Please check this points before submitting your PR.
+ - Add test to cover the changes you made on the code.
+ - If you have a change on the documentation, please link to the page that you change.
+ - If you add a new feature please update the documentation in the same PR.
+ - If you really need to add a breaking change, explain why it is needed. Understand that this result in a lower change to get the PR accepted.
+ - Any PR need 2 approvals before it get merged, sometimes this can take some time. Please be patient.
+-->