Appease clippy in Rust 1.70 (#187)

Author: ackintosh

src/config.rs

@@ -1,8 +1,8 @@
+//! A set of configuration parameters to tune the discovery protocol.
 use crate::{
     kbucket::MAX_NODES_PER_BUCKET, socket::ListenConfig, Enr, Executor, PermitBanList, RateLimiter,
     RateLimiterBuilder,
 };
-///! A set of configuration parameters to tune the discovery protocol.
 use std::time::Duration;
 
 /// Configuration parameters that define the performance of the discovery network.

src/executor.rs

@@ -1,6 +1,5 @@
-///! A simple trait to allow generic executors or wrappers for spawning the discv5 tasks.
-use std::future::Future;
-use std::pin::Pin;
+//! A simple trait to allow generic executors or wrappers for spawning the discv5 tasks.
+use std::{future::Future, pin::Pin};
 
 pub trait Executor: ExecutorClone {
     /// Run the given future in the background until it ends.

src/ipmode.rs

@@ -1,12 +1,11 @@
+//! A set of configuration parameters to tune the discovery protocol.
 use crate::{
     socket::ListenConfig,
     Enr,
     IpMode::{DualStack, Ip4, Ip6},
 };
 use std::net::SocketAddr;
 
-///! A set of configuration parameters to tune the discovery protocol.
-
 /// Sets the socket type to be established and also determines the type of ENRs that we will store
 /// in our routing table.
 /// We store ENR's that have a `get_contractable_addr()` based on the `IpMode` set.