Update issue templates

added bug template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,22 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ROS2
+assignees: berndpfrommer
+
+---
+
+**Is this behavior also observed when using SpinVIew?**
+If yes, please seek support from the camera vendor.
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Useful logging output**
+Please cut-and-paste console output into this bug report. Do not attach screenshots.
+
+**System details**
+- operating system/version:
+- ROS version (please prepend to issue title in square brackets, e.g. [noetic]):
+- camera model: