add HA Update

src/homeassistant.ts

@@ -31,3 +31,10 @@ export type API_HA_DeskPosition = {
 	last_changed: string;
 	last_changed_seconds: number;
 };
+
+export type HA_Update = {
+	entity_id: string;
+	state: string;
+	attributes: unknown;
+	timestamp: string; // datetime string
+}