Antique Atlas 4

Changes:

• Added a new fallbackFailHandling option to the config, to change what happens when a biome has no minecraft/conventional/forge tags.
• Default fallbackFailHandling to "MISSING", which shows a texture made of small question marks
• swapping to "TEST" will return the behaviour of the old texture, and "CRASH" will crash the game as soon as a biome fails fallback (for modpacking)

Changelog: https://github.com/sisby-folk/antique-atlas/releases/tag/v2.1.0