feat: add comments for controller and model and blade for dashboard for user

app/Http/Requests/CommentPostRequest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CommentPostRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        $rules = [
+            'commentable_id'   => 'required|integer',
+            'commentable_type' => 'required|string|in:tour,flight',
+            'body'             => 'required|string|max:1000',
+        ];
+
+        if (!auth()->check()) {
+            $rules['guest_name'] = 'required|string|max:150';
+        }
+
+        return $rules;
+    }
+}