* Update pull request template to use github "closese" keyword
* Add article link
### Description
+<!--
+
+If your pull request closes any issues, add them below with the `closes` keyword before them
+
+Example: closes #101
+
+See the following article for more information: https://docs.github.com/en/free-pro-team@latest/github/managing-your-work-on-github/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword
+
+-->
### Closes issues
-- #
\ No newline at end of file
+- closes #