LumenRTX Normals Update

Big update! (I forgot to include a lot of blocks in the changelog). Actually the game only uses about 50 heightmaps ! So we are now close to our goal because the LumenRTX normals only had normalmaps :D

Changelog:
-added normalmap to dripstone

-added normalmap to polished blackstone

-added normalmap to potatoes

-added normalmap to azalea bush

-added normalmap to prismarine

-added normalmap to prismarine bricks

-added normalmap to rails

-added normalmap to raw copper

-added normalmap to raw gold

-added normalmap to raw iron

-added normalmap to sand

-added normalmap to red sand

-added normalmap to redstone block

-added normalmap to redstone dust

-added normalmap to spruce trapdoor

-added normalmap to sea lantern

-added normalmap to polished granite

-added normalmap to polished diorite

-added normalmap to polished andesite

-added normalmap to soul soil

-added normalmap to soul sand

-added normalmap to soul sand

-added normalmap to sugarcane

-added normalmap to repeater

-added normalmap to cobweb

-added normalmap to vines

-added normalmap to small dripleaf

-added normalmap to shroomlight

-added normalmap to saplings

-added normalmap to tripwire hook

-added normalmap to TNT

-added normalmap to lily pad

-added normalmap to warped_nylium and crimson nylium

-added normalmap to warped roots

-added normalmap to warped wart

-added normalmap to wheat

-added normalmap to weeping vines

-added normalmap to tadpole

-added normalmap to crimson and warped planks

-added normalmap to crimson and warped stem

-added normalmap to crimson and warped stripped stem

-added normalmap to crimson and warped trapdoor

-added normalmap to crimson and warped fence

-added normalmap to warped fungus

-added normalmap to twisting vines 

-added normalmap to tuff

-added normalmap to sculk

-added normalmap to sculk sensor

-added normalmap to sculk catalyst

-added normalmap to sculk vein 

-improved diamond normalmap

-decreased sea lantern roughness 

-added pbr to structure void 

-improved sky color

-add deep dark fog