Added issue template for questions.

Author: soerendomroes

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,26 @@
+---
+name: Question
+about: Ask a question about layout configuration
+title: "[Question]"
+labels: question
+assignees: ''
+
+---
+
+**Ask our questions**
+A clear and concise description of what you want to do.
+Add a graph to reproduce to showcase what you want to do.
+Linking the graph in ELKT or JSON format via [elklive](https://rtsys.informatik.uni-kiel.de/elklive/elkgraph.html) (or with the [JSON editor](https://rtsys.informatik.uni-kiel.de/elklive/json.html)) is preferred.
+You can also [convert](https://rtsys.informatik.uni-kiel.de/elklive/conversion.html) between the two.
+
+**(Optional) Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**(Optional) Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**(Optional) ELK Version**
+The ELK or elkjs version. Can also be selected in [elklive](https://rtsys.informatik.uni-kiel.de/elklive/index.html).
+
+**(Optional) Additional context**
+Add whatever we need to know about your question.