Add profile page.

[Kurogoma4D]

Description

• Add profile page.
  • Add providers for Cloud Storage / Firebase Authentication.

Fixes #224

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?

Runs on Android / iOS / Web .

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]

以下は別途対応

• ~画像を CachedNetworkImage を使って参照~
  • Cloud StorageのダウンロードURLでなぜか Image.network での表示がうまくいってなかったが、CachedNetworkImage に変えたらうまくいったのでそのままこのPRでコミットしました
• 編集画面、表示画面で分離（一旦Auth/Storageで動くのを確認したかったので今は編集画面のみ）
  • 無理に分離する必要もなく、他の人のプロフィールの参照だけ参照用の画面を作ってもいいかも…

[github-actions[bot]]

Commented by GitHub Bot

PR: #229 preview link