Add tablet layout

[ghost]

Currently there is only one pane for all window sizes, which makes Material Notes hard to use on tablets and foldable phones, as too many words are shown in a line.

According to the Material Design 3 guides Canonical layouts – Material Design 3, I think that ideally Material Notes should looks like this:

Please add support for a two-pane layout for larger screens.

[maelchiotti]

You're absolutely right! This will probably require big changes on how the code is structured, but it's a very important improvement that will be a priority.