add docs to text display component info

Author: Cenngo

src/Discord.Net.Interactions/Info/Commands/Components/TextDisplayComponentInfo.cs

@@ -0,0 +1,19 @@
+using Discord.Interactions.Builders;
+
+namespace Discord.Interactions;
+
+/// <summary>
+///     Represents the <see cref="ModalComponentInfo"/> class for <see cref="ComponentType.TextDisplay"/> type.
+/// </summary>
+public class TextDisplayComponentInfo : ModalComponentInfo
+{
+    /// <summary>
+    ///     Gets the content of the text display.
+    /// </summary>
+    public string Content { get; }
+
+    internal TextDisplayComponentInfo(TextDisplayComponentBuilder builder, ModalInfo modal) : base(builder, modal)
+    {
+        Content = Content;
+    }
+}