参考文献

GitHub / Issue・PR 運用（一次情報）

• GitHub Docs: About issues
• GitHub Docs: About issue and pull request templates
• GitHub Docs: About pull requests
• GitHub Docs: About pull request reviews
• GitHub Docs: Closing issues using keywords
• GitHub Docs: Basic writing and formatting syntax

進め方（ガイド/標準）

• The Scrum Guide
• The Kanban Guide
• Conventional Commits
• Semantic Versioning 2.0.0
• Keep a Changelog

要件表現

• RFC 2119: Key words for use in RFCs to Indicate Requirement Levels