adds

[FrankPDoel]

Adds: 1.It’s too dark underwater （it's clear enough but too dark）2. The water‘s color in the cave or other dark places is so light that can't even see it 3.There are some new light source blocks that don‘t have smooth lightning，such as the Glow Berries...btw personally thinks that in order to stabilize the overall frame rate, u can slightly reduce the animation of water:)