documentation issue template

Author: AntSimi

.github/ISSUE_TEMPLATE/need_documentation.md

@@ -0,0 +1,27 @@
+---
+name: Documentation improvement
+about: Create a report to help us improve the documentation
+labels: Documentation
+# This template is based on the matplotlib template
+---
+
+### Problem
+
+<!--
+If you are referencing an existing piece of documentation or example please provide a link.
+
+* I found [...] to be unclear because [...]
+* [...] made me think that [...] when really it should be [...]
+* There is no example showing how to do [...]
+-->
+
+
+### Suggested Improvement
+
+<!--
+If you have an idea to improve the documentation please suggest it here
+
+* This line should be changed to say [...]
+* Include a paragraph explaining [...]
+* Add a figure showing [...]
+-->