validation core as a dependency

validation-core/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "validation-core"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+authors.workspace = true
+description = "Shared validation primitives, recipes, and package metadata."
+repository.workspace = true
+
+[dependencies]
+serde = { workspace = true }
+thiserror = { workspace = true }
+unicode-width = { workspace = true }
+regex = { workspace = true, optional = true }
+
+[features]
+default = []
+regex = ["dep:regex"]