[AUTOSDK-402] Github issue template

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,23 @@
+## Do you already have an issue opened with F5 support?
+Github Issues are consistently monitored by F5 staff, but should be considered as best effort only and you should not expect to receive the same level of response as provided by F5 Support. Please [open an case](https://support.f5.com/csp/article/K2633) with F5 if this is a critical issue.
+
+## Description
+Describe the problem you're having or the enhancement you'd like to request.
+
+## Environment information
+For bugs, enter the following information:
+- Cloud Failover Extension Version:
+- BIG-IP version:
+- Cloud provider:
+
+## Severity Level
+For bugs, enter the bug severity level. Do not set any labels.
+
+Severity: <Fill in level: 1 through 5>
+
+Severity level definitions:
+ 1. **Severity 1 (Critical)** : Defect is causing systems to be offline and/or nonfunctional. immediate attention is required.
+ 2. **Severity 2 (High)** : Defect is causing major obstruction of system operations.
+ 3. **Severity 3 (Medium)** : Defect is causing intermittent errors in system operations.
+ 4. **Severity 4 (Low)** : Defect is causing infrequent interuptions in system operations.
+ 5. **Severity 5 (Trival)** : Defect is not causing any interuptions to system operations, but none-the-less is a bug.