README.md: Update Ubuntu setup gif
README.md: Update Ubuntu setup gif

b-boogaard/dotfiles,girishramnani/dotfiles,wingy3181/dotfiles,oddlord/dotfiles,newtonne/dotfiles,makabde/dotfiles,newtonne/dotfiles,mickael83/ubuntu-dotfiles,zlot/dotfiles,pbrooks/dotfiles,christophermoura/dotfiles,EDiLD/dotfiles,christophermoura/dotfiles,wingy3181/dotfiles,AlbertoElias/dotfiles,girishramnani/dotfiles,mickael83/ubuntu-dotfiles,wingy3181/dotfiles,AlbertoElias/dotfiles,makabde/dotfiles,EDiLD/dotfiles,zlot/dotfiles