✅❌ Added a success/error snackbar message with fadein fadeout animations, whenever a comment is posted
Having fun adding animations and transitions to the site! Improves the UX just that bit more.
Ref: https://www.w3schools.com/howto/howto_js_snackbar.asp
Ref: https://www.w3schools.com/howto/howto_js_snackbar.asp
