add NodeController

src/main/kotlin/ltd/hlaeja/controller/NodeController.kt

@@ -0,0 +1,20 @@
+package ltd.hlaeja.controller
+
+import ltd.hlaeja.library.deviceRegistry.Node
+import ltd.hlaeja.service.NodeService
+import ltd.hlaeja.util.toEntity
+import ltd.hlaeja.util.toNodeResponse
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class NodeController(
+    private val nodeService: NodeService,
+) {
+
+    @PostMapping("/node")
+    suspend fun addNode(
+        @RequestBody request: Node.Request,
+    ): Node.Response = nodeService.addNode(request.toEntity()).toNodeResponse()
+}