Update Company and Item models to have image as nullable field.

database/migrations/2023_06_14_105228_create_companies_table.php

@@ -15,7 +15,7 @@ return new class extends Migration
             $table->id();
             $table->string('uuid');
             $table->string('name');
-            $table->string('image');
+            $table->string('image')->nullable();
             $table->string('description');
             $table->timestamps();
         });

database/migrations/2023_06_14_140000_create_items_table.php

@@ -19,7 +19,7 @@ return new class extends Migration
             $table->string('url');
             $table->string('description');
             $table->decimal('price', 8, 2);
-            $table->string('image');
+            $table->string('image')->nullable();
 
             $table->foreign('category_id')->references('id')
                  ->on('categories')->onDelete('cascade');