Added seat configuration to sway config. Also improved the way that the configuration is generated to reduce superfluous whitespace. Supersedes #1663
This reverts commit 99b75f99df. See https://github.com/nix-community/home-manager/issues/1613 and https://github.com/nix-community/home-manager/pull/1614 for associated discussions.
99b75f99df
PR #1579