Update issue templates

.github/ISSUE_TEMPLATE/documentation.md

@@ -0,0 +1,10 @@
+---
+name: Documentation
+about: Improvements or additions to documentation
+title: ''
+labels: documentation
+assignees: ''
+
+---
+
+

.github/ISSUE_TEMPLATE/feature-request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**What is the feature you want to add?**
+
+**Why do you want to add this feature?**
+
+**How to implement this feature?**
+
+**Additional context**
+Add any other context or screenshots about the feature request here.