adding oil and commenting out nvim-tree for now

lua/lornest/plugins/oil.lua

@@ -0,0 +1,11 @@
+return {
+  'stevearc/oil.nvim',
+  opts = {},
+  -- Optional dependencies
+  dependencies = { "nvim-tree/nvim-web-devicons" },
+  config = function()
+    require('oil').setup {
+      vim.keymap.set("n", "-", "<CMD>Oil<CR>", { desc = "Open parent directory" })
+    }
+  end,
+}