Update issue templates

Add bug report and feature request format;

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,23 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug, needs_triage
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+How to reproduce the behavior - runtime flags used, env. variable values etc.
+
+**Console output or error log**
+If applicable, add screenshots or logs to help explain your problem.
+
+**Release number**
+Specify what version you are working with.
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: needs_triage
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+Ex. As a DevOps engineer, I would like to manage XY configuration [...]
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.