Use app_creation for common app setup functions

Signed-off-by: kernelkind <kernelkind@gmail.com>

src/bin/notedeck.rs

@@ -1,6 +1,8 @@
 #![warn(clippy::all, rust_2018_idioms)]
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
 use notedeck::Damus;
+use notedeck::app_creation::generate_native_options;
+
 
 // Entry point for wasm
 //#[cfg(target_arch = "wasm32")]
@@ -13,17 +15,9 @@ async fn main() {
     // Log to stdout (if you run with `RUST_LOG=debug`).
     tracing_subscriber::fmt::init();
 
-    let window_builder = Box::new(|builder: egui::ViewportBuilder| {
-        builder.with_fullsize_content_view(true)
-            .with_titlebar_shown(false)
-            .with_title_shown(false)
-    });
-    let mut native_options = eframe::NativeOptions::default();
-    native_options.window_builder = Some(window_builder); 
-
     let _res = eframe::run_native(
         "Damus NoteDeck",
-        native_options,
+        generate_native_options(),
         Box::new(|cc| Box::new(Damus::new(cc, ".", std::env::args().collect()))),
     );
 }