* change font to Nerd Fonts

* add vim plugin vim-devicons
* change iTerm2 configuration

.vim/bundle/vim-devicons/autoload/airline/extensions/tabline/formatters/webdevicons.vim

@@ -0,0 +1,13 @@
+" Version: 0.8.4
+" Webpage: https://github.com/ryanoasis/vim-devicons
+" Maintainer: Ryan McIntyre <ryanoasis@gmail.com>
+" License: see LICENSE
+
+function! airline#extensions#tabline#formatters#webdevicons#format(bufnr, buffers)
+  " Call original formatter.
+  let originalFormatter = airline#extensions#tabline#formatters#{g:_webdevicons_airline_orig_formatter}#format(a:bufnr, a:buffers)
+  return originalFormatter . ' ' . WebDevIconsGetFileTypeSymbol(bufname(a:bufnr)) . ' '
+endfunction
+
+" modeline syntax:
+" vim: fdm=marker tabstop=2 softtabstop=2 shiftwidth=2 expandtab: