updates telemetry to no longer use grpc

api/src/data_value.rs

@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub enum DataValue {
+    Float32(f32),
+    Float64(f64),
+    Boolean(bool),
+}