Note: this is currently only working with laptop trackpads - normal mouse behavior will be weird (to be fixed
soon)
Double click on an empty cell to add a note.
Click and drag a note to move it.
Click and drag the ends of a note to resize it.
Hold down Ctrl and move your mouse to scroll.
Hold down Alt and move your mouse to zoom.
Click and drag to highlight a selection. You can then drag/resize groups of notes. You can also hold down shift
and click to add notes to a group selection.
Hit backspace/delete to delete notes.
Hit Cmd-z/Cmd+Shift+z to undo/redo note editing actions.
Press the arrow keys to move selected notes.
Use Cmd-c/Cmd-v to copy/paste note selections. Selections will be pasted at the vertical cursor position.