Update RestApi.h

src/web/RestApi.h

@@ -878,6 +878,8 @@ class RestApi {
             obj[F("par_size_app0")] = ESP.getFreeSketchSpace();
             obj[F("par_used_app0")] = ESP.getSketchSize();
 
+            obj[F("temp_sensor_c")] = ah::readTemperature();
+            
             #if defined(ESP32)
                 obj[F("heap_total")] = ESP.getHeapSize();