delopsu

Fixed mobile (touch) version.

Thank you for checking it. Yes, noticed iOS issue too. Fixing rn.

> sliding one touch left right or u/d both

This could work, need to experiment more.

Just added brushes palette. So far only local. And reworked layout a bit. Hope it makes board more convenient.

hm, right, it will probably burn more energy, than add sense

Thank you!