first ever mod

Theres a whole black biome but not all of it is black.  Theres a couple biomes with pink grass and i think theres one with a pink sky.  Theres one biome with normal grass.  Theres a red beam sword.  You can craft it with two dirt and two sticks.  Theres red space guy armor and space girl armor.  Theres lava water, it looks like lava but its water.  Theres blood water and it is really red like the beam sword.