RealisCraft JE: Realistic Default Textures [1.23.0] #Update

FULL Version Update:

Adding a Birch chest boat, Cherry chest boat, Dark oak chest boat, Jungle chest boat, Mangrove chest boat, Oak chest boat, Pale oak chest boat, and Spruce chest boat:

• Added POM.

• Added PBR.

DEMO version Update:

• Updated PBR to better match textures.