logging each steps

fs.go

@@ -23,13 +23,14 @@ func loadImage(filename string) image.Image {
 		log.Fatal(err)
 	}
 
+	log.Println("Loading :", filename)
+
 	return imgData
 }
 
 // Walk through a folder recursively and returns a list of image paths
 func getImagesList(path string) []string {
 	var imgs []string
-
 	err := filepath.Walk(path,
 		func(path string, info os.FileInfo, err error) error {
 			ext := strings.ToLower(filepath.Ext(path))