Added netbar with language selector

app/Http/Controllers/LanguageController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Validation\Rule;
+
+class LanguageController extends Controller
+{
+    public static array $supportedLanguages = [
+        "en",
+        "ro"
+    ];
+
+    public function setLanguage(string $language, Request $request): RedirectResponse
+    {
+        // Validate the requested language
+        $validator = Validator::make(
+            ['language' => $language],
+            ['language' => ['required', Rule::in(self::$supportedLanguages)]]
+        );
+        $validated = $validator->validated();
+
+        // Save the language preference in the session
+        $request->session()->put(['language' => $validated['language']]);
+
+        return redirect()->back();
+    }
+}