added a little offset to center creation of stairs to match tile location

MrBigsock/Assets/Code/Map/TilemapGenerator.cs

@@ -355,8 +355,8 @@ namespace Bigsock
 
         public void SpawnStairs(int[,] bossRoom, int roomNr)
         {
-            Instantiate(Stairs, new Vector3(FloorTilemap[roomNr].transform.position.x + bossRoom.GetUpperBound(0) / 2,
-                    FloorTilemap[roomNr].transform.position.y + bossRoom.GetUpperBound(1) - 3, 0), Quaternion.identity);
+            Instantiate(Stairs, new Vector3(FloorTilemap[roomNr].transform.position.x + bossRoom.GetUpperBound(0) / 2 + 0.5f,
+                    FloorTilemap[roomNr].transform.position.y + bossRoom.GetUpperBound(1) - 3 + 0.5f, 0), Quaternion.identity);
         }
 
         //Spawns a chest in the middle of the room