a lot of setup and testing work for rust

build.rs

@@ -1,6 +1,9 @@
 use cxx_qt_build::CxxQtBuilder;
 
 fn main() {
-    CxxQtBuilder::new().file("src/rust/cxxqt_object.rs").build();
-    CxxQtBuilder::new().file("src/rust/service_thing.rs").build();
+    // CxxQtBuilder::new().file("src/rust/my_object.rs").build();
+    CxxQtBuilder::new()
+        .file("src/rust/service_thing.rs")
+        .file("src/rust/file_helper.rs")
+        .build();
 }