Organize custom scripts under Assets/Baba_yaga and merge Opsive folders to Assets root

Assets/Baba_yaga/GameSetup/Maze/MapLocation.cs

@@ -0,0 +1,32 @@
+namespace Baba_yaga.GameSetup.Maze
+{
+    /// <summary>
+    /// Represents a 2D coordinate on the maze grid.
+    /// Used as a lightweight value type to avoid GC allocations.
+    /// </summary>
+    public readonly struct MapLocation
+    {
+        public readonly int x;
+        public readonly int z;
+
+        public MapLocation(int _x, int _z)
+        {
+            x = _x;
+            z = _z;
+        }
+
+        // Static predefined directions to eliminate magic numbers in algorithms
+        public static MapLocation Right => new MapLocation(1, 0);
+        public static MapLocation Left => new MapLocation(-1, 0);
+        public static MapLocation Up => new MapLocation(0, 1);
+        public static MapLocation Down => new MapLocation(0, -1);
+
+        /// <summary>
+        /// Returns a list of all 4 cardinal directions.
+        /// </summary>
+        public static System.Collections.Generic.List<MapLocation> Directions => new System.Collections.Generic.List<MapLocation>
+        {
+            Right, Up, Left, Down
+        };
+    }
+}