Init sandbox example

Cargo.toml

@@ -1,3 +1,8 @@
+[workspace]
+members = [
+    "examples/*"
+]
+
 [package]
 name = "egui-file-explorer"
 version = "0.1.0"

examples/sandbox/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "sandbox"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+egui = "0.25.0"
+eframe = { version = "0.25.0", default-features = false, features = ["glow"] }

examples/sandbox/src/main.rs

@@ -0,0 +1,23 @@
+
+struct MyApp;
+
+impl eframe::App for MyApp {
+    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        egui::CentralPanel::default().show(ctx, |ui| {
+            ui.heading("My egui application");
+        });
+    }
+}
+
+fn main() -> eframe::Result<()> {
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default() .with_inner_size([1080.0, 720.0]),
+        ..Default::default()
+    };
+
+    eframe::run_native(
+        "My egui application",
+        options,
+        Box::new(|_| Box::new(MyApp{ }))
+    )
+}