Add haskell prettify

vim/ftplugin/haskell.vim

@@ -4,3 +4,6 @@ set expandtab                   "Always uses spaces instead of tabs
 set softtabstop=4               "Insert 4 spaces when tab is pressed
 set shiftwidth=4                "An indent is 4 spaces
 set shiftround                  "Round indent to nearest shiftwidth multiple
+
+" prettify
+set formatprg=stylish-haskell

vimrc.symlink

@@ -72,6 +72,7 @@ Plug 'cespare/vim-toml', { 'for': 'toml' }
 
 " Haskell
 Plug 'bitc/vim-hdevtools', { 'for': 'haskell' }
+Plug 'nbouscal/vim-stylish-haskell', { 'for': 'haskell' }
 
 set wildignore+=node_modules