Make Tauri app fullscreen

main.rs

// Prevents additional console window on Windows in release, DO NOT REMOVE!!
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]

use tauri::Manager;

fn main() {
    tauri::Builder::default()
        .setup(|app| {
            let main_window = app.get_window("main").unwrap();

            main_window
                .hide()
                .and_then(|_| main_window.current_monitor())
                .unwrap_or(None)
                .map(|monitor| monitor.size().clone())
                .map(|size| main_window.set_size(size))
                .map(|_| main_window.center())
                .map(|_| main_window.show());
            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}