add issue template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,22 @@
+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+**Describe the bug**
+<!-- Explain the bug, if an error is being thrown a stack trace helps -->
+
+**Instructions To reproduce**
+<!-- Please add steps to reproduce the error -->
+
+**JHipster app's `.yo-rc.json`**
+<!-- Please include your JHipster app's .yo-rc.json file to make reproducing the issue simple  -->
+
+**Entity JDL or JSON files**
+<!-- If your bug relates to entities, please include your JDL file or the entity JSON that will reproduce the issue  -->
+
+**Versions (please complete the following information):**
+ - OS: 
+ - Ignite JHipster Version: 
+ - Node Version: