Merge pull request #16 from tomohisa:14-refactor-for-files-layout

Merge remote-tracking branch 'origin/main' into 14-refactor-for-files-layout

Reorganize domain folder structure following DDD principles; create dedicated folders for aggregates, commands, events, queries, and payloads; update namespaces to match folder structure

Merge pull request #15 from tomohisa:14-refactor-for-files-layout

Refactor event payloads for class, student, and teacher management; remove deprecated classes and add new event payloads

Add event payloads and aggregate payloads for class, student, and teacher management

Merge pull request #13 from tomohisa/11-add-license

Implement BFF pattern for API calls, convert client-side API calls to server actions, and enhance layout responsiveness

Enhance layout responsiveness by updating container classes across multiple components

Remove deprecated API routes for teachers and students; refactor student registration logic into actions file

Refactor teacher registration logic and move API calls to dedicated actions file

Implement API configuration and CRUD operations for teachers and students; add environment variable support

Add Next.js project section to README.md with BFF pattern details

Merge pull request #12 from tomohisa:11-add-license

Update README.md to include viewport scaling feature details and project structure