Extend XtermBlazor to load addons

LANCommander.UI/Components/Terminal/Terminal.cs

@@ -0,0 +1,19 @@
+using LANCommander.UI.Extensions;
+using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
+using XtermBlazor;
+
+namespace LANCommander.UI.Components;
+
+public partial class Terminal : Xterm
+{
+    [Inject]
+    IJSRuntime JS { get; set; }
+    
+    protected override async Task OnInitializedAsync()
+    {
+        await JS.ExecuteVoidAsync("RegisterXtermAddons");
+        
+        await base.OnInitializedAsync();
+    }
+}

LANCommander.UI/Components/Terminal/XtermAddons.ts

@@ -0,0 +1,9 @@
+import { Readline } from "xterm-readline"
+import { FitAddon } from "@xterm/addon-fit"
+
+export function RegisterXtermAddons() {
+    (<any>window).XtermBlazor.registerAddons({
+       "readline": new Readline(),
+       "addon-fit": new FitAddon(), 
+    });
+}