Initial TaskbarLauncher release baseline

Services/DisplayModeMetrics.cs

@@ -0,0 +1,30 @@
+using TaskbarLauncher.Models;
+
+namespace TaskbarLauncher.Services;
+
+public static class DisplayModeMetrics
+{
+    public static double GetIconSize(LauncherDisplayMode displayMode)
+    {
+        return displayMode switch
+        {
+            LauncherDisplayMode.CompactList => 14,
+            LauncherDisplayMode.SmallIconWithText => 20,
+            LauncherDisplayMode.LargeIconWithText => 32,
+            LauncherDisplayMode.LargeIconOnly => 40,
+            _ => 14
+        };
+    }
+
+    public static double GetRowHeight(LauncherDisplayMode displayMode)
+    {
+        return displayMode switch
+        {
+            LauncherDisplayMode.CompactList => 28,
+            LauncherDisplayMode.SmallIconWithText => 34,
+            LauncherDisplayMode.LargeIconWithText => 52,
+            LauncherDisplayMode.LargeIconOnly => 56,
+            _ => 28
+        };
+    }
+}