Add blog navigation

Website/ViewComponents/BlogNavigationViewComponent.cs

@@ -0,0 +1,18 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Website.Data;
+
+namespace Website.ViewComponents {
+	public class BlogNavigationViewComponent:ViewComponent {
+		private readonly BlogRepository _repo;
+
+		public BlogNavigationViewComponent(BlogRepository repo) {
+			_repo = repo;
+		}
+
+		public async Task<IViewComponentResult> InvokeAsync() {
+			var posts = await _repo.GetLatestPostsAsync(5);
+			return View(posts);
+		}
+	}
+}