Examples readme (#25)

* Examples readme

* link?

examples/hello_world.rs

@@ -1,13 +1,10 @@
 use awebframework::prelude::*;
-use http::StatusCode;
 use std::net::SocketAddr;
 
 #[tokio::main]
 async fn main() {
-    tracing_subscriber::fmt::init();
-
-    // build our application with some routes
-    let app = route("/", get(handler)).route("/greet/:name", get(greet));
+    // build our application with a route
+    let app = route("/", get(handler));
 
     // run it
     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
@@ -21,12 +18,3 @@ async fn main() {
 async fn handler() -> response::Html<&'static str> {
     response::Html("<h1>Hello, World!</h1>")
 }
-
-async fn greet(params: extract::UrlParamsMap) -> Result<String, StatusCode> {
-    if let Some(name) = params.get("name") {
-        Ok(format!("Hello {}!", name))
-    } else {
-        // if the route matches "name" will be present
-        Err(StatusCode::INTERNAL_SERVER_ERROR)
-    }
-}