Implement basic player plugin

src/components/mod.rs

@@ -1,2 +1,4 @@
+use crate::prelude::*;
+
 pub struct Name(pub String);
 pub struct Player;

src/main.rs

@@ -1,12 +1,19 @@
 mod components;
+mod plugins;
 mod systems;
 
-use bevy::prelude::*;
-use systems::*;
+mod prelude {
+    pub use crate::components::*;
+    pub use crate::plugins::*;
+    pub use crate::systems::*;
+    pub use bevy::prelude::*;
+}
+
+use prelude::*;
 
 fn main() {
     App::build()
-        .add_startup_system(add_player.system())
-        .add_system(greet_player.system())
+        .add_plugins(DefaultPlugins)
+        .add_plugin(PlayerPlugin)
         .run();
 }

src/plugins/mod.rs

@@ -0,0 +1,10 @@
+use crate::prelude::*;
+
+pub struct PlayerPlugin;
+
+impl Plugin for PlayerPlugin {
+    fn build(&self, app: &mut AppBuilder) {
+        app.add_startup_system(add_player.system())
+            .add_system(greet_player.system());
+    }
+}

src/systems/mod.rs

@@ -1,5 +1,4 @@
-use crate::components::{Name, Player};
-use bevy::prelude::*;
+use crate::prelude::*;
 
 pub fn add_player(mut commands: Commands) {
     commands