adds clippy deny for unwrap usage

Signed-off-by: Aminu Oluwaseun Joshua <[email protected]>

Author: seun-ja

clippy.toml

@@ -0,0 +1,3 @@
+disallowed-methods = [
+   "std::result::Result::unwrap",
+]

src/main.rs

@@ -1,3 +1,5 @@
+#![deny(clippy::disallowed_methods)]
+
 use std::net::SocketAddr;
 
 use axum::{Router, routing::get};