Update ISSUE_TEMPLATE.md

Author: bounceme

ISSUE_TEMPLATE.md

@@ -1,10 +1,9 @@
-*Include a snippet of code that we can easily copy and paste that
-replicates your bug.*
+**Mandatory:** *Included minimal reproducible example, as plain text :*
 
 <hr>
 
-If you are reporting an issue that involves any JSX (e.g.
-``<div>{`${example}`}</div>``), PLEASE PLEASE PLEASE make sure you have properly
+#### Optional: concerning jsx.
+PLEASE PLEASE PLEASE make sure you have properly
 setup and are sourcing this plugin https://github.com/mxw/vim-jsx
 
 WE DO NOT support JSX automatically, you need another plugin to add get this