feat: add pr template

Author: kkrishguptaa

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,17 @@
+<!-- If applicable, reference the issue number that this PR closes -->
+
+closes #ISSUE-NO
+
+#### What does this PR do?
+
+#### Description of the task to be completed?
+
+#### How can this be manually tested?
+
+#### Any background context you want to provide?
+
+#### Is there any relevant issue to this PR?
+
+#### Screenshots (if appropriate)
+
+#### Questions