public function up(): void 	{ 		Schema::table('shops', function (Blueprint $table) { 			$table->dropColumn(['title']); 		});  		Schema::table('shops', function (Blueprint $table) { 			$table->json('title'); 			$table->uuid('market_id')->nullable()->after('id');  			$table->foreign('market_id')->references('id')->on('markets')->nullOnDelete(); 		}); 	}