Add basic systems

src/systems/mod.rs

@@ -0,0 +1,15 @@
+use crate::components::{Name, Player};
+use bevy::prelude::*;
+
+pub fn add_player(mut commands: Commands) {
+    commands
+        .spawn()
+        .insert(Player)
+        .insert(Name("Player 1".to_string()));
+}
+
+pub fn greet_player(query: Query<&Name, With<Player>>) {
+    for name in query.iter() {
+        println!("Hello, {}!", name.0);
+    }
+}