fix: scroll bars in daemon, corfu demand automatically

fix: use system-type, not window-system, it's nil for daemon

fix: use font only for Linux

feat: use Hack font

chore: proper starting and ending comments in init.el files

feat: move custom.el file

some updates

feat: add load optimizations from igloo.el

feat: no littering

chore: split to more el files

feat: switch to elpaca