feat: add crate swift-rs

swift-rs/example/build.rs

@@ -0,0 +1,9 @@
+use swift_rs::SwiftLinker;
+
+fn main() {
+    // Ensure this matches the versions set in your `Package.swift` file.
+    SwiftLinker::new("10.15")
+        .with_ios("11")
+        .with_package("swift-lib", "./swift-lib/")
+        .link();
+}