Adding a new issue template (#21807)

Author: yaminikb

.github/issue_template.md

@@ -0,0 +1,25 @@
+[//]: # "Please remove these comments"
+[//]: # "Provide a general summary of the issue in the Title above"
+
+
+## Environment Details
+* GlassFish Version (and build number):
+* JDK version:
+* OS:
+* Database:
+
+----------
+
+## Problem Description
+[//]: # "Describe the bug in detail highlighting current behavior vs expected behavior"
+[//]: # "State if the problem is easily reproducible or happens intermittently"
+[//]: # "Include stack traces or command outputs"
+
+## Steps to reproduce
+[//]: # "Step by step instructions to reproduce the problem"
+[//]: # "Provide sample code/application if relevant"
+
+## Impact of Issue
+[//]: # "How has this issue affected you? What are you trying to accomplish?"
+
+[//]: # "Please choose one each Type, Component, and Priority label"