Readded Carriage - Moved Focus on enter/escape to Add Button - altered some background and foreground colors

ViewModel.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Windows.Input;
+using Avalonia.Controls;
 using Avalonia.Interactivity;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
@@ -13,6 +14,7 @@ public class ViewModel : ObservableObject
     private double _windowWidth = 200;
     public static double _fontSize = 20;
     private double _noteWidth;
+    public object? LastFocusedNote;
     
     public ObservableCollection<Note> Notes { get; set; } = new ObservableCollection<Note>();
     public ICommand AddButtonPressedCommand { get; }
@@ -42,7 +44,6 @@ public class ViewModel : ObservableObject
 
     private void AddButtonPressedCommandEvent(object? sender)
     {
-        // TODO: generate new Note
         AddNote();
     }