Added option to change the title of a tab

FluentTerminal.App.ViewModels/TerminalViewModel.cs

@@ -1,5 +1,6 @@
 using Fleck;
 using FluentTerminal.App.Services;
+using FluentTerminal.App.ViewModels.Infrastructure;
 using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using GalaSoft.MvvmLight;
@@ -77,6 +78,7 @@ namespace FluentTerminal.App.ViewModels
             FindPreviousCommand = new RelayCommand(async () => await FindPrevious().ConfigureAwait(false));
             CloseSearchPanelCommand = new RelayCommand(CloseSearchPanel);
             SelectTabThemeCommand = new RelayCommand<string>(SelectTabTheme);
+            EditTitleCommand = new AsyncCommand(EditTitle);
         }
 
         public event EventHandler Closed;
@@ -108,6 +110,8 @@ namespace FluentTerminal.App.ViewModels
 
         public RelayCommand FindPreviousCommand { get; }
 
+        public IAsyncCommand EditTitleCommand { get; }
+
         public bool Initialized { get; private set; }
 
         public bool IsSelected
@@ -402,6 +406,15 @@ namespace FluentTerminal.App.ViewModels
             TabTheme = TabThemes.FirstOrDefault(t => t.Name == name);
         }
 
+        private async Task EditTitle()
+        {
+            var result = await _dialogService.ShowInputDialogAsync("Edit Title");
+            if (result != null)
+            {
+                Title = result;
+            }
+        }
+
         private async Task TryClose()
         {
             if (ApplicationSettings.ConfirmClosingTabs)