wire kaptan-spec to kaptan-runtime

Signed-off-by: Onur Özkan <work@onurozkan.dev>

kaptan-runtime/Cargo.toml

@@ -5,3 +5,9 @@ license.workspace = true
 repository.workspace = true
 rust-version.workspace = true
 version.workspace = true
+
+[dependencies]
+kaptan-spec = { path = "../libs/kaptan-spec" }
+
+[build-dependencies]
+kaptan-spec = { path = "../libs/kaptan-spec", features = ["std"] }

kaptan-runtime/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    kaptan_spec::validate_package();
+}

kaptan-runtime/src/lib.rs

@@ -1 +1,3 @@
 #![no_std]
+
+kaptan_spec::no_spec!("Crate root declares runtime modules only.");