Adding import support for LogMeOnce.

For passwords they're able to export in .csv, so that already works, but it does not allow you to transfer secure notes, or wallet items. Those end up as passwords with bad entries currently, or end up as corrupted lines.

These would be good features to add.

One can either add functionality for their specific LogMeOnce File, or somehow add a specific .csv input to add/debug that functionality.

Many thanks!