egui demo app

This app demonstrates egui and eframe.

View the demo app online at https://egui.rs.

Run it locally with cargo run --release -p egui_demo_app.

egui_demo_app can be compiled to WASM and viewed in a browser locally using Trunk.

First install trunk with cargo install --locked trunk.

Run trunk serve to build and serve on http://127.0.0.1:8080. It will rebuild automatically if you edit the project.

./sh/start_server.sh &
./sh/build_demo_web.sh --open

egui_demo_app uses egui_demo_lib.

Running with `wgpu` backend

(cd egui_demo_app && cargo r --features wgpu)