add PlayerService

src/main/java/de/hsfulda/onses/services/PlayerService.java

@@ -0,0 +1,18 @@
+package de.hsfulda.onses.services;
+
+import de.hsfulda.onses.models.Player;
+
+import java.util.ArrayList;
+
+public class PlayerService {
+
+    private final ArrayList<Player> playerList = new ArrayList<>();
+
+    public ArrayList<Player> getPlayerList() {
+        return playerList;
+    }
+    public void addPlayerToList(Player player) {
+        playerList.add(player);
+    }
+
+}