doc: ISSUE_TEMPLATE.md

ISSUE_TEMPLATE.md

@@ -1,16 +1,19 @@
+<!-- Before reporting: search existing issues and check the FAQ. -->
+
 - `nvim --version`:
 - Vim (version: ) behaves differently?
 - Operating system/version:
 - Terminal name/version:
 - `$TERM`:
 
-### Actual behaviour
-
-### Expected behaviour
-
 ### Steps to reproduce using `nvim -u NORC`
 
 ```
 nvim -u NORC
 
 ```
+
+### Actual behaviour
+
+### Expected behaviour
+