fix(dto): Rename uuid field to playerUuid in OtisPlayerDTO

Author: TheMeinerLP

velocity-plugin/src/main/java/net/onelitefeather/otis/velocity/listener/PlayerListener.java

@@ -98,7 +98,7 @@ private void createPlayer(@NotNull UUID uuid, @NotNull String playerName, long c
         OtisPlayerDTO newPlayer = OtisPlayerDTO.builder()
                 .firstJoin(currentTime)
                 .playerName(playerName)
-                .uuid(uuid)
+                .playerUuid(uuid)
                 .profileTextures(new HashMap<>())
                 .build();