README.md: add psp

See merge request !2

Remove feedback

See merge request !1

Move hackage packages to horizon-platform

See merge request horizon/horizon-plutus!21

ouroboros-network: init at github:locallycompact/ouroboros-network/13dbe0bf9bca33469d105f22cdcb2b6d1a32c9b9

callOuroborosNetwork: input-output-hk/ouroboros-network/13dbe0bf9bca33469d105f22cdcb2b6d1a32c9b9 -> locallycompact/ouroboros-network/c65353299ff3efde05bf07d628a2ac7ea3193458

ouroboros-network-protocols: init at github:input-output-hk/ouroboros-network/c65353299ff3efde05bf07d628a2ac7ea3193458

ouroboros-network-{framework, testing}: CHaP/0.2.0.0 -> github:input-output-hk/ouroboros-network/c65353299ff3efde05bf07d628a2ac7ea3193458

ouroboros-network-mock: init at github:input-output-hk/ouroboros-network/c65353299ff3efde05bf07d628a2ac7ea3193458

ouroboros-network-api: init at github:input-output-hk/ouroboros-network/c65353299ff3efde05bf07d628a2ac7ea3193458

callOuroborosNetwork: c175e75dd8bb3b0e4ea9db9360a64ed159e78013 -> c65353299ff3efde05bf07d628a2ac7ea3193458

horizon-platform: 2829a042394a6dce7e427001a263cbc5c074a0fa -> 046c7305362aa0b3445539f9d78e648dd65167b7

strict-containers: milloni/strict-containers/9e833be00bc2c5cdb0b4e743b7a2cde00dd4f616 -> CHaP/0.1.0.0

horizon-platform: f0c4d169ad1e7d019c52eff811b10d00dcef19e7 -> 2829a042394a6dce7e427001a263cbc5c074a0fa

horizon-platform: 491f09eeac3c36c60d83f5192f294f4b18885eea -> f0c4d169ad1e7d019c52eff811b10d00dcef19e7

use horizon-gen-nix from horizon-platform

Use horizon-gen-nix 0.4.0

See merge request horizon/horizon-plutus!19