fix issue templates

Author: tophf

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,3 +1,12 @@
+---
+name: Bug report
+about: "..."
+title: ''
+labels: ''
+assignees: ''
+
+---
+
 #### Steps to reproduce the bug
 1. 
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,16 @@
+---
+name: Feature request
+about: To suggest adding/modifying rules for sites, use `MPIV host rules` in Discussions.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
 
 
 <!--
 To suggest adding/modifying rules for sites,
-please use `MPIV host rules` in the Discussions section:
+please use `MPIV host rules` in the Discussions:
 https://github.com/tophf/mpiv/discussions/categories/mpiv-host-rules
 -->