Default vim netrw to tree-style listing

vim/settings/filebrowser.vim

@@ -10,6 +10,6 @@ autocmd FileType netrw map <silent> <buffer> o <CR>
 " Errors should not open new splits. Use normal error handling, `:messages`.
 let g:netrw_use_errorwindow = 0
 
-" Use detail-style browsing by default
+" Use tree-style browsing by default
 " 0 = normal, 1 = details, 2 = ls, 3 = tree
-"let g:netrw_liststyle = 1
+let g:netrw_liststyle = 3