feat: プロジェクト初期化に関するドキュメントを追加

[keito4]

🤖 Generated with Claude Code

Co-Authored-By: Claude noreply@anthropic.com

Summary by CodeRabbit

• Documentation

  • Added a new guide with step-by-step instructions for initializing the project development environment using DevContainer, including recommended tools and configuration tips.
  • Updated Homebrew directory documentation to remove legacy file references.

• Chores

  • Added new development dependencies for commit message linting to improve commit quality.
  • Removed legacy Homebrew package list and related export script logic.

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📥 Commits

Reviewing files that changed from the base of the PR and between 2b18174 and 925824b.

⛔ Files ignored due to path filters (1)

• package-lock.json is excluded by !**/package-lock.json

📒 Files selected for processing (2)

• .claude/commands/init-project.md (1 hunks)
• package.json (1 hunks)

Walkthrough

A new markdown guide was added to document project initialization and DevContainer setup, detailing recommended tools and configuration steps. Additionally, two development dependencies for commit message linting were introduced in the package.json file. Legacy files including brew/NoDependencyBrewfile and .rubocop.yml were removed, and related references were cleaned up. The export script was simplified by removing logic related to the deleted brew file.

Changes

Cohort / File(s)	Change Summary
DevContainer Setup Documentation .claude/commands/init-project.md	Added a markdown file with step-by-step instructions for initializing the project in a DevContainer, listing required features, customization tips, and mount settings.
Commit Linting Dependencies package.json	Added @commitlint/cli and @commitlint/config-conventional as development dependencies for commit message linting.
Legacy Brewfile Removal brew/NoDependencyBrewfile, brew/README.md, script/export.sh	Deleted the legacy NoDependencyBrewfile listing many packages; updated README to remove references to it; removed related export logic in export.sh.
RuboCop Configuration Removal .rubocop.yml	Deleted the RuboCop configuration file that defined Ruby style and complexity rules for the project.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~15 minutes

Possibly related PRs

• feat: devcontainer環境のclaude設定を統合 #59: Related DevContainer environment setup and commitlint configuration improvements.
• chore: remove unnecessary code and files #67: Related removal of legacy files including brew/NoDependencyBrewfile and .rubocop.yml.
• docs: READMEドキュメントの最新化 #58: Related DevContainer documentation updates focusing on different files and scopes.

Poem

🐇 In tunnels deep where coders dwell,
A guide appears with tales to tell.
DevContainer sets the stage just right,
Commitlint guards the message tight.
Old files gone, fresh paths to chart,
A hopping start for every heart!
✨🌿

✨ Finishing Touches

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/add_init_project_command

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