feat(Custom): handle continuous script

resources/config

@@ -62,6 +62,7 @@
     "custom/spotify": {
         "format": " {}",
         "max-length": 40,
+        "interval": 30, // Remove this if your script is endless and write in loop
         "exec": "$HOME/.config/waybar/mediaplayer.sh", // Script in resources folder
         "exec-if": "pgrep spotify"
     }