egui v0.24.0 features testing
- change <name> from
webapp_template
to <appName>
- sw.js & manifest.jsom => consist cach <name>
- sw.js => set actual names for <app>.js and <app>_bg.wasm to Cargo.toml:name
based on emilk/eframe_template
critical componets are: tinyaudio and rustysynth