Enable folding in vim

vim-folding

" Folding
set foldenable
set foldmethod=indent
set foldlevel=99999

" Folding expand/collapse mappings
map + zo
map - zc
map ++ zR
map -- zM
nnoremap <space> @=((foldclosed(line(".")) < 0) ? 'zc' : 'zo')<cr>

set cursorline " Highlight current line
set cursorcolumn " Highlight current column
set colorcolumn=80 " Right margin indicator