chore: update application titles

src/main.rs

@@ -6,7 +6,7 @@ fn main() -> Result<(), eframe::Error> {
         ..Default::default()
     };
     eframe::run_native(
-        "My egui App",
+        "Amethyst",
         options,
         Box::new(|cc| Box::new(AmethystApp::new(cc))),
     )
@@ -27,7 +27,7 @@ impl AmethystApp {
 impl eframe::App for AmethystApp {
     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
         egui::CentralPanel::default().show(ctx, |ui| {
-            ui.heading("My egui Application");
+            ui.heading("Amethyst");
             ui.horizontal(|ui| {
                 let name_label = ui.label("Your name: ");
                 ui.text_edit_singleline(&mut self.name)