Update example implementations.

Author: Makosai

README.md

@@ -41,7 +41,7 @@ Below is a minimal example of a custom plugin for a cluster server, based on [`r
 
 ```rust
 use sustenet::cluster::{ LOGGER, cleanup, start };
-use sustenet::shared::Plugin;
+use sustenet::shared::ServerPlugin;
 use tokio::io::AsyncReadExt;
 use tokio::sync::mpsc::Sender;
 
@@ -82,7 +82,7 @@ impl Reia {
 }
 
 // Plugin initialization
-impl Plugin for Reia {
+impl ServerPlugin for Reia {
     fn set_sender(&self, tx: Sender<Box<[u8]>>) {
         // Set the sender
         if self.sender.set(tx).is_err() {

rust/cluster/README.md

@@ -23,11 +23,11 @@ Sustenet is a networking solution for game engines. It's made to primarily be us
 
 ```rs
 use sustenet::cluster::{ cleanup, error, start };
-use sustenet::shared::Plugin;
+use sustenet::shared::ServerPlugin;
 use tokio::sync::mpsc::Sender;
 
 struct Reia;
-impl Plugin for Reia {
+impl ServerPlugin for Reia {
     fn receive(
         &self,
         tx: Sender<Box<[u8]>>,

rust/sustenet/README.md

@@ -35,7 +35,7 @@ Below is a minimal example of a custom plugin for a cluster server, based on [`r
 
 ```rust
 use sustenet::cluster::{ LOGGER, cleanup, start };
-use sustenet::shared::Plugin;
+use sustenet::shared::ServerPlugin;
 use tokio::io::AsyncReadExt;
 use tokio::sync::mpsc::Sender;
 
@@ -76,7 +76,7 @@ impl Reia {
 }
 
 // Plugin initialization
-impl Plugin for Reia {
+impl ServerPlugin for Reia {
     fn set_sender(&self, tx: Sender<Box<[u8]>>) {
         // Set the sender
         if self.sender.set(tx).is_err() {