Changes

Summary

1. better error messages when using custom placeholders (commit: cccf9de) (details)

Commit cccf9dec55be3141e536efaa26d8687915b5ac48 by Flo.e3 better error messages when using custom placeholders (commit: cccf9de)
	src/main/java/de/codecrafter47/taboverlay/config/expression/parser/PlaceholderReader.java (diff)
	src/main/java/de/codecrafter47/taboverlay/config/template/text/TextTemplate.java (diff)
	src/main/java/de/codecrafter47/taboverlay/config/ConfigTabOverlayManager.java (diff)
	src/main/java/de/codecrafter47/taboverlay/config/ErrorHandler.java (diff)