備考欄と商品の削除部分を修正 #138,144

[akito-0520]

実施タスク

issue #138 issue: #144

実施内容

• descriptionを入力できるようにした
• 指定した商品を消せるようにした

レビューしてほしいこと

• descriptionが正しく反映されているか
• 消したいカートの商品を消せるか

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