Update question.md

Signed-off-by: Sheng Yang <sheng.yang@rancher.com>

.github/ISSUE_TEMPLATE/question.md

@@ -6,5 +6,18 @@ labels: question
 assignees: ''
 
 ---
+**Question**
 
+**Environment:**
+ - Longhorn version:
+ - Kubernetes version:
+ - Node config
+   - OS type and version
+   - CPU per node:
+   - Memory per node:
+   - Disk type
+   - Network bandwidth and latency between the nodes:
+ - Underlying Infrastructure (e.g. on AWS/GCE, EKS/GKE, VMWare/KVM, Baremetal):
 
+**Additional context**
+Add any other context about the problem here.