More cleanup

Data/ReadingData.cs

@@ -0,0 +1,19 @@
+using System;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace WeatherService.Data
+{
+    [Table("Reading")]
+    public class ReadingData
+    {
+        public int Id { get; set; }
+
+        public int DeviceId { get; set; }
+
+        public int Type { get; set; }
+
+        public double Value { get; set; }
+
+        public DateTimeOffset ReadTime { get; set; }
+    }
+}