feat: map editor (#56)

Assets/Scripts/CameraController.cs

@@ -0,0 +1,20 @@
+using UnityEngine;
+
+public class CameraController : MonoBehaviour
+{
+    public float moveSpeed = 10f;
+
+    void Update()
+    {
+        float horizontalInput = Input.GetAxisRaw("Horizontal"); // ← → ou A D
+        float verticalInput = Input.GetAxisRaw("Vertical");     // ↑ ↓ ou W S
+
+        Vector3 movement = new Vector3(
+            horizontalInput * moveSpeed * Time.deltaTime,
+            verticalInput * moveSpeed * Time.deltaTime,
+            0f
+        );
+
+        Camera.main.transform.position += movement;
+    }
+}