feat: refactor album art handling, implement progress bar display, and update application version to dev63

include/gui.h

@@ -109,10 +109,18 @@ void guiDisplayVersion(const char* version);
 void guiDrawText(gfxScreen_t screen, float x, float y, const char* text, u32 color, float scale);
 
 /**
- * Display album art on top screen
+ * Display progress bar on top screen
  * 
- * \param metadata  Pointer to metadata structure with album art
+ * \param position  Current position in seconds
+ * \param duration  Total duration in seconds
  */
-void guiDisplayAlbumArt(struct metadata_t* metadata);
+void guiDisplayProgressBar(float position, float duration);
+
+/**
+ * Display current directory path on bottom screen
+ * 
+ * \param path  Current directory path
+ */
+void guiDisplayCurrentPath(const char* path);
 
 #endif