Add missing files

private_dot_config/nvim/lua/config/autocmd.lua

@@ -0,0 +1,9 @@
+-- close nvim-tree if it's last buffer open
+vim.api.nvim_create_autocmd("BufEnter", {
+    pattern = "*",
+    callback = function()
+        if #vim.api.nvim_list_bufs() == 1 and vim.bo.filetype == "NvimTree" then
+            vim.cmd("quit")
+        end
+    end,
+})