Move network.rs example to its own folder (#7936)

Co-authored-by: Elijah Hampton <elijahhampton@MBP-de-Elijah-2.lan>

examples/network/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "network"
+version = "0.0.0"
+publish = false
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+reth-network.workspace = true
+reth-provider = { workspace = true, features = ["test-utils"] }
+futures.workspace = true
+tokio.workspace = true
+eyre.workspace = true

examples/network/src/main.rs

@@ -0,0 +1,40 @@
+//! Example of how to use the network as a standalone component
+//!
+//! Run with
+//!
+//! ```not_rust
+//! cargo run --release -p network
+//! ```
+
+use futures::StreamExt;
+use reth_network::{config::rng_secret_key, NetworkConfig, NetworkEvents, NetworkManager};
+use reth_provider::test_utils::NoopProvider;
+
+#[tokio::main]
+async fn main() -> eyre::Result<()> {
+    // This block provider implementation is used for testing purposes.
+    let client = NoopProvider::default();
+
+    // The key that's used for encrypting sessions and to identify our node.
+    let local_key = rng_secret_key();
+
+    // Configure the network
+    let config = NetworkConfig::builder(local_key).mainnet_boot_nodes().build(client);
+
+    // create the network instance
+    let network = NetworkManager::new(config).await?;
+
+    // get a handle to the network to interact with it
+    let handle = network.handle().clone();
+
+    // spawn the network
+    tokio::task::spawn(network);
+
+    // interact with the network
+    let mut events = handle.event_listener();
+    while let Some(event) = events.next().await {
+        println!("Received event: {:?}", event);
+    }
+
+    Ok(())
+}