Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+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.
+
+**To Reproduce**
+List all the Yocto layers you have included in the build and the revisions you were using.
+What MACHINE you're building for and what host OS you're using.
+
+The "Build Configuration:" section shown by bitbake at the beginning of the build is very good start.
+
+Then show the exact error you're seeing, often it's useful to attach whole log.do_<task> from ${WORKDIR} and if it doesn't show much details, then additional files as well (like config.log from ${B} directory for do_configure errors with autotools or CMakeOutput.log/CMakeError.log files with cmake).
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.