implement broker

go.mod

@@ -1,3 +1,19 @@
 module github.com/neatflowcv/seven-skies
 
 go 1.25.5
+
+require (
+	github.com/nats-io/nats.go v1.47.0
+	github.com/stretchr/testify v1.11.1
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/klauspost/compress v1.18.2 // indirect
+	github.com/nats-io/nkeys v0.4.12 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/crypto v0.45.0 // indirect
+	golang.org/x/sys v0.38.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)