Document when to use beta0
Document when to use beta0

Learned today that we should use `*-beta0` for releases that have no changes. This is only used after releasing a new version of the app.
say25/desktop,desktop/desktop,shiftkey/desktop,kactus-io/kactus,artivilla/desktop,artivilla/desktop,desktop/desktop,artivilla/desktop,j-f1/forked-desktop,say25/desktop,kactus-io/kactus,say25/desktop,kactus-io/kactus,kactus-io/kactus,j-f1/forked-desktop,shiftkey/desktop,shiftkey/desktop,j-f1/forked-desktop,j-f1/forked-desktop,shiftkey/desktop,desktop/desktop,artivilla/desktop,desktop/desktop,say25/desktop