Fix health issues after restart

src/de/steamwar/misslewars/MWTeam.java

@@ -164,6 +164,7 @@ public class MWTeam {
         List<Player> tempPlayer = new ArrayList<>(players);
         players.clear();
         tempPlayer.forEach(player -> player.getInventory().clear());
+        tempPlayer.forEach(player -> player.setHealth(20.0));
         tempPlayer.forEach(this::join);
     }