add blurb

osu.Game/Overlays/Wiki/WikiMainPage.cs

@@ -3,15 +3,56 @@
 
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using System.Linq;
+using HtmlAgilityPack;
+using osu.Framework.Allocation;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
 
 namespace osu.Game.Overlays.Wiki
 {
     public class WikiMainPage : FillFlowContainer
     {
+        public string Markdown;
+
         public WikiMainPage()
         {
             RelativeSizeAxes = Axes.X;
             AutoSizeAxes = Axes.Y;
         }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            var html = new HtmlDocument();
+            html.LoadHtml(Markdown);
+
+            Children = new Drawable[]
+            {
+                createBlurb(html)
+            };
+        }
+
+        private Container createBlurb(HtmlDocument html)
+        {
+            var blurbNode = html.DocumentNode.SelectNodes("//div[contains(@class, 'wiki-main-page__blurb')]").First();
+
+            return new Container
+            {
+                RelativeSizeAxes = Axes.X,
+                AutoSizeAxes = Axes.Y,
+                Padding = new MarginPadding
+                {
+                    Vertical = 30,
+                },
+                Child = new OsuSpriteText
+                {
+                    Text = blurbNode.InnerText,
+                    Font = OsuFont.GetFont(size: 12),
+                    Anchor = Anchor.TopCentre,
+                    Origin = Anchor.TopCentre,
+                }
+            };
+        }
     }
 }