Defendable

Changed the obsidian needed for each level to be 2
Changed the netherite scraps needed to be 1
Changed the planks needed for the 3 level of wood to be 5
Changed the planks needed for the 2 level of wood to be 2
Changed the planks needed for the 2 level of door to be 4
Improved the code that detects the wood type to be 100 MILLION TIMES BETTER
Changed the first level of cobble to take 2 cobble
Changed the second level of cobble to take 5 cobble
Changed the third level of cobble to take 2 deepslate
Changed all levels of iron to take 2 iron
Changed all levels of diamond to take 2 diamond
Changed the doors to check instead of not solid block above them, but if the door is not above them, in a way