Dynamic Surroundings Sounds Pack

**Updated TO 26.3 ** Added 4 new Wilderness Bound blocks — based on verified sound types from the vanilla 26.3 files

block.poplar_leaves.step — light, crisp rustling leaves, clearer than azalea block.leaf_litter.step — dry, crunchy leaves underfoot (dappled forest leaf litter) block.shelf_mushroom.step — soft, damp, spongy mushroom sound block.straw_bed.step — soft rustling straw Fixed the unusual footsteps volume and pitchs Minor audio balance