UPDATE v1.5 :
-Removed Toastify
+Replaced Toastify with Snackbar / Toast from w3schools.com
+Grant GM_addStyle
+Fix 'Already unknown' quality toast (probably)
+Exclude youtube music
UPDATE v1.05 :
+add a line of code getAvailableQualityLevels() , this will stop toast being spam due to no video quality available
