chore: Add GitHub templates (#1)

.github/ISSUE_TEMPLATE/2.Improve_docs.md

@@ -0,0 +1,23 @@
+---
+name: Improve documentation
+about: Suggest an improvement to our documentation
+labels: documentation
+---
+
+# Improve documentation
+
+## Link 
+
+Add a link to the page which needs improvement (if relevant)
+
+## Describe the problem
+
+Is the documentation missing? Or is it confusing? Why is it confusing?
+
+## Describe the improvement
+
+A clear and concise description of the improvement.
+
+## Additional context
+
+Add any other context or screenshots that help clarify your question.