bug-report-template: add an issue template for bug report

Signed-off-by: Liang Deng <283304489@qq.com>

.github/ISSUE_TEMPLATE/bug_report_template.md

@@ -0,0 +1,30 @@
+---
+name: Bug Report
+about: Create a report to help us improve
+title: "[BUG]"
+labels: kind/bug
+
+---
+
+<!-- Please use this template while reporting a bug and provide as much info as possible. Not doing so may result in your bug not being addressed in a timely manner. Thanks!-->
+
+
+**What happened**:
+
+**What you expected to happen**:
+
+**How to reproduce it (as minimally and precisely as possible)**:
+
+**Anything else we need to know?**:
+
+**Environment**:
+- Tetra version (use `tetra version`):
+- Kubernetes version (use `kubectl version`):
+- OS (e.g: `cat /etc/os-release`):
+- Kernel (e.g. `uname -a`):
+- Install tools:
+- Others:
+
+**others**
+
+/kind bug