Refactor file imports and clean up unused components in various resources: remove unnecessary imports in CommentResource, NewsResource, and SolutionResource, and ensure consistent formatting across files. Add missing newlines at the end of files for better code quality.

app/Models/Comment.php

@@ -2,9 +2,9 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
-use Illuminate\Database\Eloquent\Factories\HasFactory;
 
 class Comment extends Model
 {