Merge pull request #2684 from google/fix_bug_template

Update bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,3 +1,11 @@
+---
+name: Bug Report
+about: Create a report to help us improve
+labels: 'type: bug, triage'
+assignees: ''
+
+---
+
 <!--
   - Thanks for opening an issue for us!  Before you open an issue,
   - please check if a similar issue exists or has been closed before.
@@ -6,13 +14,6 @@
   - please ask questions on the mailing list, instead of filing issues:
   -       https://groups.google.com/forum/#!forum/blockly
   -->
----
-name: Bug report
-about: Create a report to help us improve
-labels: 'type: bug, triage'
-assignees: ''
-
----
 
 **Describe the bug**