chore: use smooth path utility from vue-data-ui#2647

shuuji3 merged 2 commits intomainnpmx-dev/npmx.dev:mainfrom

og-use-createSmoothPath-from-vue-data-uinpmx-dev/npmx.dev:og-use-createSmoothPath-from-vue-data-uiCopy head branch name to clipboard