reorganize compiler crates

bytecode/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "rustpython-bytecode"
+description = "RustPython specific bytecode."
+version = "0.1.2"
+authors = ["RustPython Team"]
+edition = "2021"
+repository = "https://github.com/RustPython/RustPython"
+license = "MIT"
+
+
+[dependencies]
+bincode = "1.3.3"
+bitflags = "1.3.2"
+lz4_flex = "0.9.2"
+num-bigint = { version = "0.4.3", features = ["serde"] }
+num-complex = { version = "0.4.0", features = ["serde"] }
+serde = { version = "1.0.136", features = ["derive"] }
+itertools = "0.10.3"
+bstr = "0.2.17"
+static_assertions = "1.1.0"