Re-organize all projects (#4166)

Content.Client/Administration/UI/Tabs/ServerTab.xaml.cs

@@ -0,0 +1,11 @@
+#nullable enable
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface;
+
+namespace Content.Client.Administration.UI.Tabs
+{
+    [GenerateTypedNameReferences]
+    public partial class ServerTab : Control
+    {
+    }
+}