added javadoc

src/main/java/no/ntnu/idatg1002/idatg1002_2022_group6/model/PlayerRegister.java

@@ -12,7 +12,9 @@ import no.ntnu.idatg1002.idatg1002_2022_group6.TableTennisApplication;
  */
 public class PlayerRegister {
 
-  // Representing a list of players.
+  /**
+   * Represents a list of players
+   */
   private final List<Player> participants;
 
   /**