core: split issue template into 3 files (bug report, feature request, question)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,12 @@
+---
+name: Bug report
+about: Create a bug report (please do not report security issues here)
+
+---
+
 <!-- Please do not report any security issue here, see file Contributing.adoc -->
 
-## Bug, feature, or question?
+## Bug summary
 
 
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,7 @@
+---
+name: Feature request
+about: Request a new feature / enhancement
+
+---
+
+## Feature description

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,14 @@
+---
+name: Question
+about: Ask a question (please read first FAQ and docs)
+
+---
+
+## Question
+
+
+
+---
+
+- WeeChat version: 
+- OS, distribution and version: