add device registry Identity

src/main/kotlin/ltd/hlaeja/library/deviceRegistry/Identity.kt

@@ -0,0 +1,12 @@
+package ltd.hlaeja.library.deviceRegistry
+
+import java.util.UUID
+
+object Identity {
+
+    data class Response(
+        val client: UUID,
+        val node: UUID,
+        val device: UUID,
+    )
+}