Add API to get most recent reading

Weather/Service/Controllers/ReadingsController.cs

@@ -0,0 +1,25 @@
+using ChrisKaczor.HomeMonitor.Weather.Models;
+using ChrisKaczor.HomeMonitor.Weather.Service.Data;
+using Microsoft.AspNetCore.Mvc;
+using System.Threading.Tasks;
+
+namespace ChrisKaczor.HomeMonitor.Weather.Service.Controllers
+{
+    [Route("[controller]")]
+    [ApiController]
+    public class ReadingsController : ControllerBase
+    {
+        private readonly Database _database;
+
+        public ReadingsController(Database database)
+        {
+            _database = database;
+        }
+
+        [HttpGet("recent")]
+        public async Task<ActionResult<WeatherReading>> GetRecent()
+        {
+            return await _database.GetRecentReading();
+        }
+    }
+}

Weather/Service/Controllers/ValuesController.cs

@@ -1,16 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-using System.Collections.Generic;
-
-namespace ChrisKaczor.HomeMonitor.Weather.Service.Controllers
-{
-    [Route("[controller]")]
-    [ApiController]
-    public class ValuesController : ControllerBase
-    {
-        [HttpGet]
-        public ActionResult<IEnumerable<string>> Get()
-        {
-            return new[] { "value1", "value2" };
-        }
-    }
-}