chore: remove auto close

also fix emmylua errors in log.lua file
fixes #1005
fixes #871

README.md

@@ -117,7 +117,6 @@ require'nvim-tree'.setup {
 -- setup with all defaults
 -- each of these are documented in `:help nvim-tree.OPTION_NAME`
 require'nvim-tree'.setup { -- BEGIN_DEFAULT_OPTS
-  auto_close = false,
   auto_reload_on_write = true,
   disable_netrw = false,
   hide_root_folder = false,
@@ -331,6 +330,10 @@ You can toggle the help UI by pressing `g?`.
 3. `toggle` has a second parameter which allows to toggle without focusing the explorer (`require"nvim-tree.toggle(false, false)`).
 4. You can allow nvim-tree to behave like vinegar (see `:help nvim-tree-vinegar`).
 5. If you `:set nosplitright`, the files will open on the left side of the tree, placing the tree window in the right side of the file you opened.
+6. You can automatically close the tab/vim when nvim-tree is the last window in the tab. WARNING: other plugins or automation may interfere with this:
+```vim
+autocmd BufEnter * ++nested if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif
+```
 
 ## Diagnostic Logging