feat: add rust-script

external/rust-script/tests/data/script-async-main.rs

@@ -0,0 +1,14 @@
+//! This is merged into a default manifest in order to form the full package manifest:
+//!
+//! ```cargo
+//! [dependencies]
+//! boolinator = "=0.1.0"
+//! tokio = { version = "1", features = ["full"] }
+//! ```
+use boolinator::Boolinator;
+
+#[tokio::main]
+async fn main() {
+    println!("--output--");
+    println!("{:?}", true.as_some(1));
+}