Rework wind history API

Weather/Service/Models/WindDirectionReadingGrouped.cs

@@ -1,12 +0,0 @@
-using JetBrains.Annotations;
-
-namespace ChrisKaczor.HomeMonitor.Weather.Service.Models
-{
-    [PublicAPI]
-    public class WindDirectionReadingGrouped
-    {
-        public int WindDirection { get; set; }
-
-        public int Count { get; set; }
-    }
-}

Weather/Service/Models/WindHistoryGrouped.cs

@@ -0,0 +1,19 @@
+using JetBrains.Annotations;
+using System;
+
+namespace ChrisKaczor.HomeMonitor.Weather.Service.Models
+{
+    [PublicAPI]
+    public class WindHistoryGrouped
+    {
+        public DateTimeOffset Bucket { get; set; }
+
+        public decimal MinimumSpeed { get; set; }
+
+        public decimal AverageSpeed { get; set; }
+
+        public decimal MaximumSpeed { get; set; }
+
+        public decimal AverageDirection { get; set; }
+    }
+}

Weather/Service/Models/WindSpeedReadingGrouped.cs

@@ -1,17 +0,0 @@
-using JetBrains.Annotations;
-using System;
-
-namespace ChrisKaczor.HomeMonitor.Weather.Service.Models
-{
-    [PublicAPI]
-    public class WindSpeedReadingGrouped
-    {
-        public DateTimeOffset Bucket { get; set; }
-
-        public decimal Minimum { get; set; }
-
-        public decimal Average { get; set; }
-
-        public decimal Maximum { get; set; }
-    }
-}