Add config option to block renames based on configurable regex for all commands that accept text.

[JustBru00]

Requested by Takin on spigotmc.org https://www.spigotmc.org/threads/epicrename.51650/page-22#post-4618969

For my reference: [^\u0000-\u007F]+ appears to select all characters listed on the etcgamer page.
For java this regex may be [^\\p0000-\\p007F]+ or [^\\P0000-\\P007F]+