[ADD] Super Mario Maker 2

Please add the following to the Ninji Speedruns chart on Super Mario Maker 2 this should probably be the last update made to the leaderboard

Ninji Speedruns

Goombud Bust-Up

SMB2 Mario: Can You Dig It?

Dry Bones Shellscape

Cape Mario Master

Bowser's Castle: The Last Dash

Done. :p