add file explorer to replace default explorer

lua/config/options.lua

@@ -2,3 +2,8 @@ vim.opt.number = true
 vim.opt.cursorline = true
 vim.opt.relativenumber = true
 vim.opt.shiftwidth = 4
+-- disable netrw at the very start
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+vim.opt.splitbelow = true -- Opens horizontal splits below
+vim.opt.splitright = true -- Opens vertical splits to the right