Update issue templates

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: "[FEATURE REQUEST] Title Here"
+labels: enhancement
+assignees: HideyoshiNakazone
+
+---
+
+**Is this a [Json Schema](https://json-schema.org/specification) Keyword that is missing?** [yes|no]
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.