procedural macro subcrate

Cargo.toml

@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+sigma_compiler_derive = { path = "sigma_compiler_derive" }

sigma_compiler_derive/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "sigma_compiler_derive"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+syn = { version = "2.0", features = ["extra-traits"] }
+quote = "1.0"