add nullable for description field for files table

database/migrations/2024_01_22_074748_create_files_table.php

@@ -14,7 +14,7 @@ return new class extends Migration
         Schema::create('files', function (Blueprint $table) {
             $table->id();
             $table->string('name');
-            $table->string('description');
+            $table->string('description')->nullable();
             $table->string('url');
             $table->integer('position');
             $table->foreignId('reception_screen_id')->constrained('reception_screens');