improving startup time by using lazy loading or filetype loading

lua/custom/plugins/oil.lua

@@ -0,0 +1,26 @@
+return {
+  'stevearc/oil.nvim',
+  dependencies = {
+    'kyazdani42/nvim-web-devicons', -- Lazy dependency for devicons
+  },
+  config = function()
+    require('oil').setup({
+      columns = {
+        'icon',
+        -- 'permissions',
+      },
+      keymaps = {
+        ['C-h'] = false,
+        ['M-h'] = 'actions.select_split',
+      },
+      view_options = {
+        show_hidden = true,
+      },
+    })
+
+    vim.keymap.set('n', '-', '<CMD>Oil<CR>', { noremap = true, silent = true, desc = 'Open parent directory' })
+    vim.keymap.set('n', '<leader>-', function() require('oil').toggle_float() end,
+      { noremap = true, silent = true, desc = 'Toggle oil floating window' })
+  end,
+}
+