Implementing the previous commit

In main.go we are setting the default image path.
and whenever we don't find the image through lastfm we pointhepath to
default image in render.go

main.go

@@ -35,6 +35,7 @@ func main() {
 	}
 	defer CONN.Close()
 	cache.SetCacheDir(viper.GetString("CACHE_DIR"))
+	cache.SetDefaultPath(viper.GetString("DEFAULT_IMAGE_PATH"))
 	cache.LoadCache(viper.GetString("CACHE_FILE"))
 	r := newRenderer()
 	c, _ := CONN.CurrentSong()

render.go

@@ -86,6 +86,8 @@ func getImagePath(path string) string {
 				if err == nil {
 					NOTIFICATION_SERVER.Send("Image From LastFM")
 					extractedImage = downloadedImage
+				} else {
+					cache.PointToDefault(a[0]["artist"], a[0]["album"])
 				}
 			}
 		}