initial working demo sans networking

Signed-off-by: Sienna Meridian Satterwhite <sienna@r3t.io>

crates/app/src/camera.rs

@@ -0,0 +1,27 @@
+//! Camera configuration
+//!
+//! This module handles the 3D camera setup for the cube demo.
+
+use bevy::prelude::*;
+
+pub struct CameraPlugin;
+
+impl Plugin for CameraPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, setup_camera);
+    }
+}
+
+/// Set up the 3D camera
+///
+/// Camera is positioned at (4, 3, 6) looking at the cube's initial position (0, 0.5, 0).
+/// This provides a good viewing angle to see the cube, ground plane, and any movements.
+fn setup_camera(mut commands: Commands) {
+    info!("Setting up camera");
+
+    commands.spawn((
+        Camera3d::default(),
+        Transform::from_xyz(4.0, 3.0, 6.0)
+            .looking_at(Vec3::new(0.0, 0.5, 0.0), Vec3::Y),
+    ));
+}