feat: music & sound!!!

src/main/java/eu/midnightdust/yaytris/game/Tetromino.java

@@ -1,6 +1,7 @@
 package eu.midnightdust.yaytris.game;
 
 import eu.midnightdust.yaytris.Tetris;
+import eu.midnightdust.yaytris.util.SoundEffect;
 import eu.midnightdust.yaytris.util.Vec2i;
 
 import java.awt.*;
@@ -20,6 +21,7 @@ public class Tetromino {
     public void fall(int length) {
         Vec2i newPos = centerPos.offset(Vec2i.of(0, length));
         if (collidesVertically(newPos)) {
+            SoundEffect.BEEP.play();
             int[] affectedLines = new int[this.collision.length];
             int line = centerPos.getY();
             for (int i = 0; i < this.collision.length; i++) {
@@ -27,6 +29,7 @@ public class Tetromino {
                 line++;
             }
             Tetris.getSpace().onLinesChanged(this, affectedLines);
+            Tetris.getSpace().increaseScore(20-fallLength);
             if (fallLength >= 1) Tetris.getSpace().spawnTetromino();
             else Tetris.stopGame();
         }