Merge branch 'staging' into 'production'

docs/source/ops/generating-keys.rst

morph/grid/local/README.rst

morph/grid/local/Vagrantfile

morph/grid/local/grid.nix

morph/grid/production/config.json

morph/grid/production/grid.nix

morph/grid/production/storage000-config.nix

morph/grid/production/storage000-hardware.nix

morph/grid/production/storage003-config.nix

morph/grid/production/storage003-hardware.nix

morph/grid/testing/config.json

morph/grid/testing/grid.nix

morph/lib/make-issuer.nix

morph/lib/make-monitoring.nix

morph/lib/make-storage.nix

morph/lib/make-testing.nix

nixos/modules/monitoring/exporters/node.nix

.../monitoring/server/grafana-config/resources-overview.json

nixos/modules/monitoring/server/grafana.nix

nixos/modules/monitoring/server/loki.nix