Port Validation Page to Laravel (#13921)

* Revamp validate web page
 to load page then validate, instead of validate then load page

* style fixes

* lint cleanups

* fixes

* translations and a couple fixes

* style fixes

* move result serialization into the class.

app/Http/Controllers/ValidateController.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Contracts\View\View;
+use Illuminate\Http\JsonResponse;
+use LibreNMS\Validator;
+
+class ValidateController extends Controller
+{
+    public function index(): View
+    {
+        return view('validate.index');
+    }
+
+    public function runValidation(): JsonResponse
+    {
+        $validator = new Validator();
+        $validator->validate();
+
+        return response()->json($validator->toArray());
+    }
+}