26.1-snapshot-6

[leMaik]

• Data for the overworld has been moved into dimensions/minecraft/overworld
• Data for the nether has been moved into dimensions/minecraft/the_nether
• Data for the end has been moved into dimensions/minecraft/the_end
• World resouce pack has been moved into resourcepacks subdirectory
• The Player tag has been replaced with singleplayer_uuid (not sure if Chunky even uses that)