Update templates

.github/bug_report.md

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+# Bug Report template
+
+### Describe the bug
+
+A clear and concise description of what the bug is.
+
+### To Reproduce
+
+Steps to reproduce the behavior:
+
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+### Expected behavior
+
+A clear and concise description of what you expected to happen.
+
+### Screenshots
+
+If applicable, add screenshots to help explain your problem.
+
+### Please complete the following information:
+
+- Type: [e.g. src, tests, examples, benchmarks]
+- OS: [e.g. linux, win32]
+- Compiler [e.g. gcc, clang]
+- Compiler Version [e.g. 8.1.0]
+
+### Additional context
+
+Add any other context about the problem here.