start work on noise for chunk generation

pumpkin-world/src/world_gen/mod.rs

@@ -1,10 +1,12 @@
 mod generator;
 mod generic_generator;
 mod implementation;
+mod noise;
 mod seed;
 
 pub use generator::WorldGenerator;
 use implementation::overworld::biome::plains::PlainsGenerator;
+use pumpkin_core::random::Random;
 pub use seed::Seed;
 
 use generator::GeneratorInit;
@@ -13,3 +15,7 @@ pub fn get_world_gen(seed: Seed) -> Box<dyn WorldGenerator> {
     // TODO decide which WorldGenerator to pick based on config.
     Box::new(PlainsGenerator::new(seed))
 }
+
+pub struct ChunkRandom {
+    sample_count: i32,
+}