Add serialization support to the ContraintsSystem

Author: Dmytro Gordon

crates/core/Cargo.toml

@@ -11,7 +11,9 @@ workspace = true
 binius-field = { path = "../field" }
 binius-utils = { path = "../utils" }
 bytemuck = { workspace = true }
+bytes = { workspace = true }
 thiserror = { workspace = true }
 
 [dev-dependencies]
 proptest = { workspace = true }
+rand = { workspace = true }