init monlet repo with stage 0-2 (docs, contract, agent MVP)

agent/internal/eventid/eventid.go

@@ -0,0 +1,12 @@
+package eventid
+
+import "github.com/google/uuid"
+
+// New returns a UUIDv7 in canonical lower-case form.
+func New() (string, error) {
+	id, err := uuid.NewV7()
+	if err != nil {
+		return "", err
+	}
+	return id.String(), nil
+}