Update installation steps: add 'Show community apps' checkbox step

\"refactor: merge duplicate sections\"

\"fix: correct app description\"

\"feat: update index.html with app content\"

更新内容

"refactor-use-reachy-mini-native-audio"

feat: adapt application for Reachy Mini Application Store

Clean up project files and update README

Reorganize file structure for Reachy Mini app

Restructure app for Reachy Mini App Assistant