Add issue templates (#1060)

Github Template
+
Copying from Java
https://raw.githubusercontent.com/kubernetes-client/java/master/.github/ISSUE_TEMPLATE/bug_report.md

Author: tg123

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,37 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Kubernetes C# SDK Client Version**
+e.g. `9.0.1`
+
+**Server Kubernetes Version**
+e.g. `1.22.3`
+
+**Dotnet Runtime Version**
+e.g. net6
+
+**To Reproduce**
+Steps to reproduce the behavior:
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**KubeConfig**
+If applicable, add a KubeConfig file with secrets redacted.
+
+**Where do you run your app with Kubernetes SDK (please complete the following information):**
+ - OS: [e.g. Linux]
+ - Environment [e.g. container]
+ - Cloud [e.g. Azure]
+
+**Additional context**
+Add any other context about the problem here.