This migrates and renamed the following options to `nvim_tree.setup` in accordance to nvim-tree migration guide:
* vim.g.nvim_tree_icons -> moved to setup.renderer.icons.glyphs
* setup.auto_close -> feature has been removed
* setup.update_to_buf_dir -> renamed to hijack_directories
* setup.quit_on_open -> moved to setup.actions.open_file
* setup.git_hl -> renamed to highlight_git and moved to setup.renderer
* setup.disable_window_picker -> renamed to window_picker and moved to setup.actions
* setup.root_folder_modifier -> moved to setup.renderer
* setup.show_icons -> moved to setup.renderer.icons.show; removed tree_width
Migration guide: https://github.com/kyazdani42/nvim-tree.lua/issues/674
nvim-tree docs : https://github.com/kyazdani42/nvim-tree.lua/blob/master/doc/nvim-tree-lua.txt
Darylle Villanueva
christianchiarulli