Ignore netrw buffers (#213)

Previously, when starting Neovim with a directory, opening a netrw buffer,
it would encounter the following errors when trying to close (:q):

    E37: No write since last change
    E162: No write since last change for buffer "…"

#212

Author: pmeinhardt

plugin/editorconfig.vim

@@ -383,6 +383,11 @@ function! s:ApplyConfig(config) abort " Set the buffer options {{{1
         return
     endif
 
+    " Do not process netrw buffers
+    if &b:filetype == 'netrw'
+        return
+    endif
+
     if g:EditorConfig_verbose
         echo 'Options: ' . string(a:config)
     endif