update doas.conf instructions

add link to LICENSE and CHANGELOG

link issue tracker in README

0.1.2 release various minor fixes (see CHANGELOG)

0.1.1 release, fixed crash on unhandled input formats

update screenshots

fix version number

added support for changing mixer dev

Also switch all tabs to use grids for layout

update READMe and add CHANGELOG

added support for configuring sndiod

fix typo

initial version