Update issue templates

.github/ISSUE_TEMPLATE/new-rule-request.md

+---
+name: New rule request
+about: Suggest a new rule for this project
+title: "[New Rule]"
+labels: new rule
+assignees: ''
+
+---
+
+**Is your feature request related to an article or investigation? Please describe.**
+A clear and concise description of what the article or investigation is.
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.