move creation of dirs to the separate function

src/main.rs

@@ -1,10 +1,31 @@
 use eframe::NativeOptions;
 use egui::Vec2;
 use std::fs;
+use std::fs::create_dir;
 
 mod app;
 
 fn main() -> Result<(), eframe::Error> {
+    create_dirs();
+
+    let mut options = NativeOptions {
+        ..Default::default()
+    };
+    options.viewport.min_inner_size = Some(Vec2::new(400.0, 400.0));
+    options.vsync = true;
+    options.hardware_acceleration = eframe::HardwareAcceleration::Preferred;
+
+    eframe::run_native(
+        "PipeWire SoundPad",
+        options,
+        Box::new(|cc| {
+            egui_material_icons::initialize(&cc.egui_ctx);
+            Ok(Box::new(app::App::new(cc)))
+        }),
+    )
+}
+
+fn create_dirs() {
     let config_dir_path = dirs::config_dir().unwrap().join("pwsp");
     fs::create_dir_all(&config_dir_path).ok();
 
@@ -26,20 +47,4 @@ fn main() -> Result<(), eframe::Error> {
     {
         fs::File::create(config_dir_path.join("saved_volume")).ok();
     }
-
-    let mut options = NativeOptions {
-        ..Default::default()
-    };
-    options.viewport.min_inner_size = Some(Vec2::new(400.0, 400.0));
-    options.vsync = true;
-    options.hardware_acceleration = eframe::HardwareAcceleration::Preferred;
-
-    eframe::run_native(
-        "PipeWire SoundPad",
-        options,
-        Box::new(|cc| {
-            egui_material_icons::initialize(&cc.egui_ctx);
-            Ok(Box::new(app::App::new(cc)))
-        }),
-    )
 }