Setup and customize zle syntax highlighting
Use match-words-by-style for shell word movements
Move complete_in_word opt to completion file

and restore comments to allow compinstall to work
in case I ever want to run it again.
Print timing stats if command takes longer than 10s
Reduce blanks in history entries
Adjust syntax highlight styles and remove cursor mod

The cursor highlighter doesn't keep up with shell word movements
and if I'm not adjusting the style (standout) there's no reason to load the mod.
Lighten terminal reds again