add issue template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,42 @@
+---
+name: Bug report
+about: Create a report to help us improve
+---
+
+ 
+**General remarks**
+
+> Please delete this section including header before submitting
+> 也可以使用中文
+>
+> This form is to report bugs. For general usage questions refer to our Slack channel
+>        [KubeSphere-users](https://join.slack.com/t/kubesphere/shared_invite/enQtNTE3MDIxNzUxNzQ0LTdkNTc3OTdmNzdiODViZjViNTU5ZDY3M2I2MzY4MTI4OGZlOTJmMDg5ZTFiMDAwYzNlZDY5NjA0NzZlNDU5NmY)
+
+**Describe the bug(描述下问题)**
+A clear and concise description of what the bug is.
+
+For UI issues please also add a screenshot that shows the issue.
+
+**Versions used(KubeSphere/Kubernetes的版本)**
+KubeSphere:
+Kubernetes: (If KubeSphere installer used, you can skip this)
+
+
+**Environment(环境的硬件配置)**
+How many nodes and their hardware configuration: 
+
+For example:
+3 masters:  8cpu/8g
+3 nodes: 8cpu/16g
+
+(and other info are welcomed to help us debugging)
+
+**To Reproduce(复现步骤)**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior(预期行为)**
+A clear and concise description of what you expected to happen.