Prepare the code to define different types of tiles.

src/main/java/controller/MainPaneController.java

src/main/java/main/MainApp.java

src/main/java/model/PointType.java

src/main/java/model/RandomWangTileGenerator.java

src/main/java/model/RotationType.java

src/main/java/model/Square.java

src/main/java/model/SquareGrid.java

src/main/java/model/SquareTile.java

src/main/java/model/SquareTileGenerator.java

src/main/java/model/TileGame.java

src/main/java/model/WangTile.java

src/main/java/view/GridTileCanvas.java

src/test/java/model/TileTest.java