Move world generators to "simple" package
Add wood and leaves blocks
Add textures for new blocks
move PropLoader to correct package
clean up block load messages
Fix blocks not updating instantly
Add chunk decorator
Fix chunks rendering and unrendering at edge of render distance
Add basic trees
Tweak leaf textures
Adjust leaf spawning, trees only spawn on solid blocks
rename "simple" world gens to "legacy"
Separate terrain and decoration generation, fix spiral bug