[ADDED FEATURES]

- Timeline implementation:

  > Cue event: Red bar is the firing time and green bar is the break time.

  > Audio scrubbing during playback.

  > Zoom In/Out the timeline and audio waveform.

  > Timeline duration when the show ends.

  > Cursor seeking with slider.

[CHANGED IMPROVEMENTS]

- Changed the toggle behaviours to show/hide the panels.

- New timecode format (##:##.###).

- On the firing event block, the event time can now be set to cursor of the timeline (From firing or break).

[FIXED ISSUES]

- Whistles sound effects not played on some effects.