Separate also the path for the sound files

Continuing the previous commit's work

Author: brianch

src/config.rs

@@ -16,8 +16,10 @@ pub const CHESS_ALPHA: Font = iced::Font::with_name("Chess Alpha");
 //pub const FONT_DIRECTORY: &str = "font/";
 pub const PUZZLES_DIRECTORY: &str = "puzzles/";
 pub const TRANSLATIONS_DIRECTORY: &str = "./translations/";
-pub const SETTINGS_FILE: &str = "settings.json";
 pub const PIECES_DIRECTORY: &str = "pieces/";
+pub const SETTINGS_FILE: &str = "settings.json";
+pub const ONE_PIECE_SOUND_FILE: &str = "1piece.ogg";
+pub const TWO_PIECES_SOUND_FILE: &str = "2piece.ogg";
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum GameMode {

src/main.rs

@@ -32,6 +32,8 @@ use rand::thread_rng;
 use rand::seq::SliceRandom;
 
 mod config;
+use config::{ONE_PIECE_SOUND_FILE, TWO_PIECES_SOUND_FILE};
+
 mod styles;
 mod search_tab;
 pub mod download_db;
@@ -139,8 +141,8 @@ impl SoundPlayback {
     pub fn init_sound() -> Option<Self> {
         let mut sound_playback = None;
         if let Ok((stream, handle)) = OutputStream::try_default() {
-            let one_pieces_sound = StdFile::open("1piece.ogg");
-            let two_pieces_sound = StdFile::open("2pieces.ogg");
+            let one_pieces_sound = StdFile::open(ONE_PIECE_SOUND_FILE);
+            let two_pieces_sound = StdFile::open(TWO_PIECES_SOUND_FILE);
 
             if let (Ok(one_piece), Ok(two_piece)) = (one_pieces_sound, two_pieces_sound) {
                 sound_playback = Some(