Not sure what to order

Hi all

I have a 23ft long x 13ft wide concrete shed. Floor is concreted too but it is uneven. Felt roof is on. Internally for the walls and ceiling I want to insulate, plaster boards, and skim. Plus I want to make the floor even. I want the shed to be warm in the winter.

Please can someone tell me the materials ( sizes/quantity) I should use for this project.

Also if someone can outline the steps for me?

Thank you