Synchronize internally merged commits (#124)

Co-authored-by: Kevin Guthrie <[email protected]>

docs/quick_start.md

@@ -77,7 +77,7 @@ impl ProxyHttp for LB {
  .select(b"", 256) // hash doesn't matter for round robin
  .unwrap();
 
- println!("upstream peer is: {:upstream?}");
+ println!("upstream peer is: {upstream:?}");
 
  // Set SNI to one.one.one.one
  let peer = Box::new(HttpPeer::new(upstream, true, "one.one.one.one".to_string()));