Add mfio-netfs example

mfio-netfs/examples/net_sample.rs

@@ -0,0 +1,24 @@
+use mfio::backend::*;
+use mfio::error::Result;
+use mfio::traits::*;
+use mfio_netfs::NetworkFs;
+use mfio_rt::*;
+
+fn main() -> Result<()> {
+    let rt = NativeRt::default();
+    let rt = NetworkFs::with_fs("127.0.0.1:4446".parse().unwrap(), rt.into(), true)?;
+
+    rt.block_on(async {
+        let file = rt
+            .open(Path::new("Cargo.toml"), OpenOptions::new().read(true))
+            .await?;
+
+        let mut buf = vec![];
+        file.read_to_end(0, &mut buf).await?;
+
+        let data = String::from_utf8_lossy(&buf);
+        println!("{data}");
+
+        Ok(())
+    })
+}