feat: with rust build and test

Signed-off-by: kjuulh <contact@kjuulh.io>

examples/rust-src/src/main.rs

@@ -0,0 +1,14 @@
+use std::path::PathBuf;
+
+#[tokio::main]
+pub async fn main() -> eyre::Result<()> {
+    let client = dagger_sdk::connect().await?;
+
+    let crates = ["some-crate"];
+    let dag = dagger_rust::source::RustSource::new(client.clone());
+    let (_src, _rust_src) = dag.get_rust_src(None::<PathBuf>, crates).await?;
+
+    let _full_src = dag.get_rust_target_src(client.container(), crates).await?;
+
+    Ok(())
+}