fixed my i3blocks bar, cleaned up some files and added snap and i3block-contrib

i3/scripts/spotify-cli.sh

@@ -225,7 +225,7 @@ alias sp-prev="  sp-dbus Previous"
 SPOTIFY_PID="$(pidof -s spotify)"
 
 if [[ -z "$SPOTIFY_PID" ]]; then
-  echo "Error: Spotify is not running."
+  echo "Spotify is not running."
   exit 1
 fi
 
@@ -273,4 +273,4 @@ fi
 # liability, whether in an action of contract, tort or otherwise, arising from,
 # out of or in connection with the software or the use or other dealings in the
 # software.
-#
+#