Update ISSUE_TEMPLATE

.github/ISSUE_TEMPLATE

@@ -4,6 +4,10 @@
 
 ### Steps to Reproduce / Code Snippets / Screenshots
 
+<!-- Note: When embeding code, please format it and use syntax highlighting to improve readability -->
+<!-- ```js                                                         -->
+<!-- [ THIS CODE BLOCK WILL USE JAVASCRIPT SYNTAX HIGHLIGHTING ]   -->
+<!-- ```                                                           -->
 [FILL THIS OUT]
 
 ---