Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us solve your issue
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Here is some example code that allows anyone to easily reproduce the issue I am having. 
+See [TroubleShooting LazyCache](https://github.com/alastairtree/LazyCache/wiki/Troubleshooting-LazyCache) for an example of a minimal reproducable example.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+** Framework and Platform
+ - OS: [e.g. Windows Server 2019]
+ - Framework [e.g. netcoreapp2.1]
+ - LazyCache Version [e.g. 2.0.3]
+
+**Additional context**
+Add any other context about the problem here.