+ Add +nav-flash-exclude-commands to control where
+nav-flash-blink-cursor-maybe should not trigger nav-flash.
+ Rename API to conform to Doom naming conventions
+ +nav-flash-blink-cursor
+ +nav-flash-blink-cursor-maybe
+ +nav-flash|delayed-blink-cursor
+ +nav-flash|blink-cursor
+ +nav-flash|blink-cursor-maybe
+ +nav-flash*blink-cursor