Add EnemyWave and EnemyWavesManager classes; implement enemy spawning system for wave-based gameplay

Assets/Scripts/Data/EnemyWave.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using Sirenix.OdinInspector;
+using Sirenix.Serialization;
+using UnityEngine;
+
+namespace Data
+{
+    [CreateAssetMenu(menuName = "Game/Wave")]
+    public class EnemyWave : ScriptableObject
+    {
+        [TableList]
+        [OdinSerialize] public List<EnemySpawnInfo> spawns = new();
+    }
+
+    [Serializable]
+    public class EnemySpawnInfo
+    {
+        [HorizontalGroup("Row", width: 80)]
+        [OdinSerialize, PreviewField(80)] public GameObject enemyPrefab;
+        
+        [HorizontalGroup("Row")]
+        [OdinSerialize] public int count = 1;
+
+        [HorizontalGroup("Row")] [OdinSerialize]
+        public float spawnInterval = 0.5f;
+    }
+}