update crate readme

Author: elasticrash

CRATE.md

@@ -2,7 +2,7 @@
 
 A rabbit MQ abstraction build upon [Lapin](https://crates.io/crates/lapin/1.0.2)
 
-## Example
+## Consumer example
 
 ```rust
 fn main() {
@@ -21,6 +21,32 @@ fn handler(_delivery: &Delivery) -> HandleMessageResult {
 }
 ```
 
+## Publisher example
+
+```rust
+fn main() {
+    let config: JSONConfiguration = configuration::reader::read("./config.json").unwrap();
+    println!("[{}] - Configuration read", line!(),);
+
+    LocalPool::new().run_until(async {
+        loop {
+            let outcome = publish(
+                "test".to_string(),
+                &config.binding.exchange,
+                &config.binding.routing_key,
+                config.connection.clone(),
+            )
+            .await;
+
+            println!("[{}] - {:?}", line!(), outcome);
+
+            let delay = time::Duration::from_millis(500);
+            thread::sleep(delay);
+        }
+    });
+}
+```
+
 ## JSONConfiguration configuration example