Create bug-report--question-or-feature-request.md

.github/ISSUE_TEMPLATE/bug-report--question-or-feature-request.md

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+---
+name: Bug report, question or feature request
+about: Generic issue template
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Click preview tab ^^^ above!
+
+By continuing to file this new issue / feature request, I confirm I have :
+1. Searched open and closed issues on this repository to ensure I am not duplicating an issue for a previously resolved problem, known bug or existing feature request.
+2. Read all package documentation relevant to the functions or classes causing the problem, including the help pages. For example, by running `?functionName` in the R terminal or using the `help()` function as well as consulting with relevant package vignettes.
+
+#### Thanks! Please remove the text above and include the two items below.
+
+`#` [`Minimal reproducible example`](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example); please be sure to set `verbose=TRUE` where possible!
+
+`#` `Output of sessionInfo()`