Implemented custom marker support during logging. Updated buttons.

src/bin/main_gui.rs

@@ -1,3 +1,6 @@
+use eframe::NativeOptions;
+use eframe::egui::Vec2;
+
 use simple_logger::SimpleLogger;
 use log::info;
 use tokio::runtime::Runtime;
@@ -69,9 +72,11 @@ async fn main() {
     });
 
     // Run the GUI in the main thread.
+    let mut native_options = NativeOptions::default();
+    native_options.viewport.inner_size = Some(Vec2::new(850.0, 600.0));
     let _ = eframe::run_native(
         "Impedance Visualizer [egui + tokio] - Hubald Verzijl - 2025",
-        eframe::NativeOptions::default(),
+        native_options,
         Box::new(|_cc| Ok(Box::new(app))),
     );
 }