Fix demo and Update README.md#3

Merged

YukiTsuchida merged 4 commits intomainfrom

Oct 16, 2025

Commits on Oct 14, 2025

Update README and Makefile for demo setup; add platform support in Docker Compose
YukiTsuchida
committed
Update workflow configurations to use Ubuntu 22.04
YukiTsuchida
committed
Update cache actions to version 4 in demo workflow
YukiTsuchida
committed
Replace 'docker-compose' with 'docker compose' in Makefile and var.mk for consistency
YukiTsuchida
committed