Feature Update: Adjust BMP with pressing arrow keys

.vscode/settings.json

.vscode/tasks.json

README.md

Random Step Creator.jar

bin/AdjustBPMThread.class

bin/AdjustBPMWindow$1.class

bin/AdjustBPMWindow$2.class

bin/AdjustBPMWindow$3.class

bin/AdjustBPMWindow$4.class

bin/AdjustBPMWindow$ArrowKeyListener.class

bin/AdjustBPMWindow$PlaySoundThread.class

bin/AdjustBPMWindow$TimingThread.class

bin/AdjustBPMWindow$UpdateIconThread.class

bin/AdjustBPMWindow.class

bin/CalculateMeasureWindow$1.class

bin/CalculateMeasureWindow$2.class

bin/CalculateMeasureWindow$3.class

bin/CalculateMeasureWindow.class

bin/EditSongInfoWindow$1.class

bin/EditSongInfoWindow$2.class