Adding documentation issue template

Author: davidrsch

.github/ISSUE_TEMPLATE/📖-documentation.md

@@ -0,0 +1,20 @@
+---
+name: "📖 Documentation"
+about: Report an issue or suggest an improvement for the documentation
+title: 'Docs: '
+labels: 'documentation'
+assignees: ''
+
+---
+
+**What part of the documentation is this about?**
+A clear and concise description of what part of the documentation the issue is about. e.g., a specific function's documentation, a vignette, etc. Please provide a link if possible.
+
+**What is the issue?**
+A clear and concise description of what is wrong, unclear, or missing.
+
+**Suggested improvement**
+A clear and concise description of how you think the documentation could be improved.
+
+**Additional context**
+Add any other context or screenshots about the documentation issue here.