Update issue templates

Author: nliaudat

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,15 @@
+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Is it a real issue ? or a feature request ?
+
+If it's an issue, welcome and post as many details as you can
+If it's other requests, please open a discussion and forget issue. 
+
+Regards