add an example for javascript options

Author: zirho

UltiSnips/javascript.snippets

@@ -7,6 +7,14 @@ priority -50
 # The smart snippets use a global options called
 # "g:ultisnips_javascript.{option}" which can control the format
 # of trailing semicolon, space before function paren, etc.
+#
+# e.g.
+# let g:ultisnips_javascript = {
+#      \ 'keyword-spacing': 'always',
+#      \ 'semi': 'never',
+#      \ 'space-before-function-paren': 'always',
+#      \ }
+
 
 global !p
 from javascript_snippets import (