add security notes

.github/ISSUE_TEMPLATE/03-feature-request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+## Feature summary
+
+Brief description of the feature required
+
+### Cause of the feature request
+
+A clear and concise description of what the problem is. E.g. I'm always frustrated when [...]
+
+### Proposed changes and/or features
+
+A clear and concise description of what you want to happen.