feat: init Rust VM

fix/src/lib.rs

@@ -1,11 +1,12 @@
 #![warn(clippy::unwrap_used)]
+#![allow(dead_code)]
 
-pub mod context;
 pub mod error;
 pub mod logging;
+pub mod runtime;
 pub mod value;
 
-mod bytecode;
+mod codegen;
 mod derivation;
 mod disassembler;
 mod downgrade;
@@ -13,7 +14,6 @@ mod downgrade;
 mod ir;
 mod nar;
 mod nix_utils;
-mod runtime;
 mod store;
 mod string_context;