Adds two new layout modes for FigletText

Now supports fitting (kerning) as well as
smushing (both universal and from font rules).

Closes #1448

Author: patriksvensson

src/Sandbox/Program.cs

@@ -0,0 +1,22 @@
+using Spectre.Console;
+
+RenderFigletWithPanel(FigletLayoutMode.FullSize);
+RenderFigletWithPanel(FigletLayoutMode.Fitted);
+RenderFigletWithPanel(FigletLayoutMode.Smushed);
+
+return;
+
+static void RenderFigletWithPanel(FigletLayoutMode mode)
+{
+    AnsiConsole.Write(
+        new Panel(
+                new FigletText("Hello from Spectre.Console").LayoutMode(mode))
+            .Header(mode switch
+            {
+                FigletLayoutMode.FullSize => "FullSize [i](default)[/]",
+                FigletLayoutMode.Fitted => "Fitted",
+                FigletLayoutMode.Smushed => "Smushed",
+                _ => throw new InvalidOperationException(),
+            })
+            .BorderColor(Color.Yellow));
+}

src/Sandbox/Sandbox.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Spectre.Console\Spectre.Console.csproj" />
+    </ItemGroup>
+
+</Project>