chore: Update game board and UI background image paths

- Updated the image paths for the game board and UI background images to reflect the new directory structure.
- The game board image path is now "/img/game/default-game-board.png".
- The UI background image path is now "/img/game/wood-texture.jpg".

public/js/game.js

@@ -704,7 +704,7 @@ class Game {
     this.renderer = new GameRenderer(
       [],
       document.getElementById("game-canvas"),
-      "/img/default-game-board.png"
+      "/img/game/default-game-board.png"
     );
   }
 

views/pages/game.ejs

@@ -55,7 +55,7 @@
         const roomId = gameParameters.get("roomId") || null;
 
         // Create a new game ui instance
-        const gameUI = new GameUI("/img/wood-texture.jpg");
+        const gameUI = new GameUI("/img/game/wood-texture.jpg");
 
         // Create a new game network instance
         const gameNetwork = new GameNetwork(app.serverUrl);