Shulker Stalker

Changelog:

• Added a reminder timer that will loop the warning on a configurable delay after the first warning
• Added an option to flash the warning message
• Added config to change the warning itself, as well as the color of the warning
• Made some config options more responsive
• Cleared up some config descriptions
• Tweaked some default values

Full Changelog: https://github.com/EysseW/ShulkerStalker/compare/1.2...1.3