Create All Needed Scripts

Assets/Scripts/Models/Interfaces/IGameBoard.cs

@@ -0,0 +1,12 @@
+using Services;
+using UnityEngine;
+
+namespace Models.Interfaces {
+    public interface IGameBoard {
+        int Width { get; }
+        int Height { get; }
+        Gem[,] GemsGrid { get; }
+        Gem GetGemAt(Vector2Int pos);
+        void SetGemAt(Vector2Int pos, Gem gameObject);
+    }
+}