feat: ランダムなemailをシードできるように

[f-yusei]

実施タスク

issue #136

実施内容

• ランダムなメールを生成するようにした

[vercel[bot]]

@f-yusei is attempting to deploy a commit to the hirune's projects team on Vercel, but is not a member of this team. To resolve this issue, you can:

• Make your repository public. Collaboration is free for open source and public repositories.
• Upgrade to pro and add @f-yusei as a member. A Pro subscription is required to access Vercel's collaborative features.
  • If you're the owner of the team, click here to upgrade and add @f-yusei as a member.
  • If you're the user who initiated this build request, click here to request access.
  • If you're already a member of the hirune's projects team, make sure that your Vercel account is connected to your GitHub account.

To read more about collaboration on Vercel, click here.