Added 2-position DIP-switch

Signed-off-by: Artem Godin <artem.godin@gmail.com>
Added CR2032 holder to component library

Signed-off-by: Artem Godin <artem.godin@gmail.com>
Schematic update

Signed-off-by: Artem Godin <artem.godin@gmail.com>