Implement map text (#28705)

Content.Client/MapText/MapTextComponent.cs

@@ -0,0 +1,20 @@
+using Content.Shared.MapText;
+using Robust.Client.Graphics;
+
+namespace Content.Client.MapText;
+
+[RegisterComponent]
+public sealed partial class MapTextComponent : SharedMapTextComponent
+{
+    /// <summary>
+    /// The font that gets cached on component init or state changes
+    /// </summary>
+    [ViewVariables]
+    public VectorFont? CachedFont;
+
+    /// <summary>
+    /// The text currently being displayed. This is either <see cref="SharedMapTextComponent.Text"/> or the
+    /// localized text <see cref="SharedMapTextComponent.LocText"/> or
+    /// </summary>
+    public string CachedText = string.Empty;
+}