Add examples for reading delta table with Rust API. (#400)

* Add examples for reading delta table with Rust API.

rust/README.md

@@ -33,6 +33,16 @@ DeltaTable(./tests/data/delta-0.2.0)
         files count: 3
 ```
 
+### Examples
+
+The examples folder shows how to use Rust API to manipulate Delta tables.
+
+Examples can be run using the `cargo run --example` command. For example:
+
+```bash
+cargo run --example read_delta_table
+```
+
 Optional cargo package features
 -----------------------
 

rust/examples/read_delta_table.rs

@@ -0,0 +1,10 @@
+extern crate anyhow;
+extern crate deltalake;
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() -> anyhow::Result<()> {
+    let table_path = "./tests/data/delta-0.8.0";
+    let table = deltalake::open_table(table_path).await?;
+    println!("{}", table);
+    Ok(())
+}