Update issue template according to the new way how GH wants it.

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

Author: sjaeckel

.github/ISSUE_TEMPLATE.md .github/ISSUE_TEMPLATE/01-bug_report.md.github/ISSUE_TEMPLATE.md renamed to .github/ISSUE_TEMPLATE/01-bug_report.md

@@ -1,3 +1,12 @@
+---
+name: Bug report
+about: Create a bug report
+title: ''
+labels: bug
+assignees: ''
+
+---
+
 <!--
 
 Provide a general summary of the issue in the Title above