Added NatoManga page provider logic. Fixed UI font configuration.

MangaReader.Tests/Sources/NatoManga/Pages/NatoMangaPageTests.cs

@@ -0,0 +1,35 @@
+using MangaReader.Core.Http;
+using MangaReader.Core.Sources.NatoManga.Pages;
+using MangaReader.Tests.Utilities;
+using NSubstitute;
+using Shouldly;
+
+namespace MangaReader.Tests.Sources.NatoManga.Pages;
+
+public class NatoMangaPageTests
+{
+    [Fact]
+    public async Task Get_Pages()
+    {
+        string mangaHtml = await ReadJsonResourceAsync("Manga-Chapter-Response.html");
+
+        IHttpService httpService = Substitute.For<IHttpService>();
+
+        httpService.GetStringAsync(Arg.Any<string>(), CancellationToken.None)
+            .Returns(Task.FromResult(mangaHtml));
+
+        HtmlLoader htmlLoader = new(httpService);
+
+        NatoMangaPageProvider pageProvider = new(htmlLoader);
+        IReadOnlyList<string> pageImageUrls = await pageProvider.GetPageImageUrlsAsync("/test-url", CancellationToken.None);
+
+        pageImageUrls.Count.ShouldBe(13);
+        pageImageUrls[0].ShouldBe("https://img-r1.2xstorage.com/gal-cant-be-kind-to-otaku/69/0.webp");
+        pageImageUrls[12].ShouldBe("https://img-r1.2xstorage.com/gal-cant-be-kind-to-otaku/69/12.webp");
+    }
+
+    private static async Task<string> ReadJsonResourceAsync(string resourceName)
+    {
+        return await ResourceHelper.ReadJsonResourceAsync($"MangaReader.Tests.Sources.NatoManga.Pages.{resourceName}");
+    }
+}