mkdir -p ~/.config/nvim/pack/vim-airline/start/
cd ~/.config/nvim/pack/vim-airline/start/
git clone https://github.com/vim-airline/vim-airline.git
Add this to your ~/.config/nvim/init.vim
" Enable tabline
let g:airline#extensions#tabline#enabled = 1
" If you user buffers, show buffer number
" let g:airline#extensions#tabline#buffer_nr_show = 1
" If you use tabs, show tab number
let g:airline#extensions#tabline#tab_nr_type = 1
