moves code into the api layer

api/src/messages/payload.rs

@@ -0,0 +1,17 @@
+use crate::messages::telemetry_definition::{
+    TelemetryDefinitionRequest, TelemetryDefinitionResponse,
+};
+use crate::messages::telemetry_entry::TelemetryEntry;
+use derive_more::{From, TryInto};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize, From)]
+pub enum RequestMessagePayload {
+    TelemetryDefinitionRequest(TelemetryDefinitionRequest),
+    TelemetryEntry(TelemetryEntry),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, From, TryInto)]
+pub enum ResponseMessagePayload {
+    TelemetryDefinitionResponse(TelemetryDefinitionResponse),
+}