feat: add rust-script

external/rust-script/tests/data/script-invalid-doc-comment.rs

@@ -0,0 +1,12 @@
+fn main() {
+    println!("--output--");
+    println!("Hello, World!");
+}
+
+/**
+```cargo
+[dependencies]
+i-cant-decide-whether-you-should = ["live", "die"]
+```
+*/
+fn dummy() {}