remove shell from source and use horizon-shell instead

See merge request !9

horizon-spec: 0.10.0 -> 0.11.0

See merge request !8

horizon-gen-nix: 0.8.0 -> 0.9.0
horizon-spec-pretty: 0.0.1 -> 0.1.0
horizon-spec-lens: 0.1.0 -> 0.2.0

configuration-darwin: init

See merge request !7

replace horizon-gen-nix app with devenv devShell

See merge request !5

fix cachix command

See merge request !4

add cachix CI step

See merge request !3

inputs: homotopic.tech -> horizon-haskell.net

See merge request !2

remove feedback

See merge request !1

.build-all.dhall: remove

Darwin

See merge request horizon/horizon-platform!57

Ema

See merge request horizon/horizon-platform!56

dhall-docs: init at 1.0.10

See merge request horizon/horizon-platform!55

Updates

See merge request horizon/horizon-platform!54

Add horizon-spec-lens and horizon-spec-pretty to shellrc

See merge request horizon/horizon-platform!53