Update issue templates

Author: manastalukdar

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,22 @@
+---
+name: Custom issue template
+about: Custom template for issues
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Problem Statement
+
+## Description
+
+### Platform
+
+### Expected behavior
+
+### Observed behavior
+
+## Steps to reproduce behavior
+
+## Other notes