Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve NWChem
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Describe settings used**
+Report all the environment variables used.
+Report what operating system and distribution you are using.
+
+**Attach log files**
+Attach as many log files as possible.
+* stdout/stderr of the NWChem execution
+* complete makefile log
+* $NWCHEM_TOP/src/tools/build/config.log
+* $NWCHEM_TOP/src/tools/build/comex/config.log
+* debugging stack
+
+**To Reproduce**
+1. Steps to reproduce the behavior:
+2. Attach all the input files required to run.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.