Move to merged binary (#1776)

* update skywire-services@develop

* improve config and app logic for official apps read from merged binary file

* replace skywire-deployment with skywire

* initial changes on Makefile

* add build-merged-windows to Makefile

* add clean stage to build-merged-windows

* add .exe extension to merged binary build

* update goreleaser configs for one merged binary

* remove archlinux goreleaser, useless

* update mac_installer

* update win installer script