Add profile share.

[Kurogoma4D]

Description

• Show profile QR code.
• Allow scan QR code for profile.
  • Show others profile from QR code.

Type of change

Please delete options that are not relevant.

• [x] New feature
• [ ] Bug fix
• [ ] Refactor
• [ ] Style
• [ ] Documentation
• [ ] CI/CD
• [ ] Other

How Has This Been Tested?

• Please describe the tests that you ran to verify your changes.
• Provide instructions so we can reproduce.

Checklist

• [x] My code follows the style guidelines of this project.
• [x] My code has been formatted with flutter format lib.
• [x] My code has been fixed with dart fix --apply lib.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.

[Kurogoma4D]

@FlutterKaigi/conference-app-2023 iOSでの実機デバッグが充分にできていないので、レビューの際に合わせてお願いしたいです 🙏

[koji-1009]

Profile画面でQRを出した際、スクロール時に若干フレームが落ちてますね。Androidだと注意深く見ると気になる程度、iOSだとスクロールのfpsが足りてないのがぱっと見でわかる程度です。なんでだろう。

[github-actions[bot]]

Commented by GitHub Bot

PR: #252 preview link