Add initial work to get minimal API's going

AS1024.GeoFeed.Core/GeoFeedPreloader/PreloadGeoFeed.cs

@@ -1,53 +0,0 @@
-using AS1024.GeoFeed.Core.Interfaces;
-using Microsoft.Extensions.Caching.Memory;
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
-
-namespace AS1024.GeoFeed.Core.GeoFeedPreloader
-{
-    public class PreLoadGeoFeed : IHostedService
-    {
-        private readonly ILogger<PreLoadGeoFeed> logger;
-        private readonly IGeoFeedProvider provider;
-        private readonly IMemoryCache memoryCache;
-        private readonly IHostEnvironment environment;
-        private const string GeoFeedCacheKey = "GeoFeedData";
-
-        public PreLoadGeoFeed(ILogger<PreLoadGeoFeed> logger,
-            IGeoFeedProvider provider,
-            IMemoryCache memoryCache,
-            IHostEnvironment environment)
-        {
-            this.logger = logger;
-            this.provider = provider;
-            this.memoryCache = memoryCache;
-            this.environment = environment;
-        }
-
-        async Task IHostedService.StartAsync(CancellationToken cancellationToken)
-        {
-            try
-            {
-                if (environment.IsProduction())
-                    await StartPreLoad();
-            }
-            catch (Exception ex)
-            {
-                logger.LogWarning($"Failed to preload, exception settings below:\n{ex}");
-            }
-        }
-
-        private async Task StartPreLoad()
-        {
-            logger.LogInformation("Preloading GeoFeed data in memory...");
-            List<Models.IPGeoFeed> feed = await provider.GetGeoFeedData();
-            MemoryCacheEntryOptions cacheEntryOptions = new MemoryCacheEntryOptions().SetAbsoluteExpiration(TimeSpan.FromMinutes(45));
-            memoryCache.Set(GeoFeedCacheKey, feed, cacheEntryOptions);
-        }
-
-        Task IHostedService.StopAsync(CancellationToken cancellationToken)
-        {
-            return Task.CompletedTask;
-        }
-    }
-}