add contributing guidelines and documentation issue template

Author: DannyBen

.github/ISSUE_TEMPLATE/documentation_issue.md

@@ -0,0 +1,12 @@
+---
+name: Documentation Issue
+about: Report an issue with the documentation or with the examples
+title: ''
+labels: documentation
+assignees: ''
+
+---
+
+### URL
+
+### Description

CONTRIBUTING.md

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+# How to contribute
+
+Thank you for reading this page, we would love to hear how you think bashly can
+be improved. Out of respect for your time, this guide will be succinct.
+
+| If you want to...                | then
+|----------------------------------|-------
+| report a **bug**                 | open a [Bug Report issue][bug-report]
+| suggest a **feature**            | open a [Feature Request issue][feature-request] or start an [Ideas discussion][discussions-ideas]
+| suggest an **improvement**       | open a [Feature Request Issue][feature-request] or start an [Ideas discussion][discussions-ideas]
+| ask a **question**               | start a [Q&A discussion][discussions-qna]
+| **share** how you use bashly     | start a [Show and Tell discussion][discussions-show]
+| contribute **code**              | open an [issue][issues] or start a [discussion][discussions] first and let us know you are interested in coding it yourself
+| report a **documentation** issue | open a [Documentation Issue][documentation-issue]
+| fix a **documentation** error    | create a pull request in the [bashly-book repository][bashly-book-repo]
+| do **something else**            | start a [discussion][discussions]
+
+
+
+[issues]: https://github.com/DannyBen/bashly/issues/new/choose
+[bug-report]: https://github.com/DannyBen/bashly/issues/new?labels=bug&template=bug_report.md
+[feature-request]: https://github.com/DannyBen/bashly/issues/new?&labels=enhancement&template=feature_request.md
+[documentation-issue]: https://github.com/DannyBen/bashly/issues/new?&labels=documentation&template=documentation_issue.md
+
+[discussions]: https://github.com/DannyBen/bashly/discussions
+[discussions-qna]: https://github.com/DannyBen/bashly/discussions/categories/q-a
+[discussions-ideas]: https://github.com/DannyBen/bashly/discussions/categories/ideas
+[discussions-show]: https://github.com/DannyBen/bashly/discussions/categories/show-and-tell
+
+[bashly-book-repo]: https://github.com/DannyBen/bashly-book