Update issue templates

Author: balakumar-s

.github/ISSUE_TEMPLATE/issue-template.md

@@ -0,0 +1,10 @@
+---
+name: Issue Template
+about: Basic template
+title: ''
+labels: ''
+assignees: balakumar-s
+
+---
+
+If it’s not a bug, please use discussions: https://github.com/NVlabs/curobo/discussions