memo.md

npm install vite-plugin-pwa

dconvert -size 500x500 xc:white
( -size 400x400 xc:none -fill red -draw "circle 200,200 200,20" ) -gravity center -composite
-gravity center -pointsize 200 -font "TakaoGothic" -fill white -annotate +0+0 "得"
icon.png