Linux context menu provider

src/GuiApp/FileTime.Avalonia/Services/LinuxContextMenuProvider.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using FileTime.Core.Models;
+
+namespace FileTime.Avalonia.Services
+{
+    public class LinuxContextMenuProvider : IContextMenuProvider
+    {
+        public List<object> GetContextMenuForFolder(IContainer container)
+        {
+            return new List<object>();
+        }
+    }
+}

src/GuiApp/FileTime.Avalonia/Startup.cs

@@ -29,7 +29,7 @@ namespace FileTime.Avalonia
             }
             else
             {
-                throw new System.Exception("TODO: implement linux contextmenu provider");
+                serviceCollection.AddSingleton<IContextMenuProvider, LinuxContextMenuProvider>();
             }
 
             return serviceCollection;