feat: add PR template (#970)

Author: abigailscl

.github/pull_request_template.md

@@ -0,0 +1,15 @@
+## Description
+
+Add a description of the: feature, bug fix,code change that improves performance, that affect the build system or external dependencies, on documentation, refactor or test.
+
+## Files changed
+
+- Add a list of files that have been changed
+
+## Task board
+
+- [Ticket name](Ticket url)
+
+## Acceptance criteria
+
+Add the acceptance criteria for this task.