How to submit assignment properly ?

[thepranays]

In assignment-update's branch readme file ,it is written that submission should on github classroom,but i am unable to find any classroom related to houseware.
While in feedback branch's readme file it is written that we have to make changes on feedback branch and not merge auto-generated PR on feedback from main.
I have done changes on feedback branch but meanwhile by mistake i have merged the auto-generated PR on feedback from main. What should i do ?
And do i have to commit final changes on main or feedback branch?