Update issue templates

Author: yu23ki14

.github/ISSUE_TEMPLATE/default.md

@@ -0,0 +1,21 @@
+---
+name: Default
+about: default
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## One line description
+> 
+
+## Description
+
+## Requirements
+What should be done
+
+- [ ] 
+- [ ] 
+
+## Suppliments