feat: add ok sound

Author: TimNekk

src/buzzer.py

@@ -12,3 +12,6 @@ def play_success(self):
 
     def play_failure(self):
         self.__buzzer.beep([[392, 200], [330, 200], [261, 400]])
+
+    def play_ok(self):
+        self.__buzzer.beep([[2000, 100]])

src/main.py

@@ -97,6 +97,7 @@ def __check_buttons_press(self) -> None:
         if not any((was_left_button_pressed, was_right_button_pressed)):
             return
 
+        self.__buzzer.play_ok()
         self.__display.print("Loading...", line=2, clear_line=True)
 
         if was_left_button_pressed: