update neotree setting to show hidden files

lua/plugins/neo-tree.lua

@@ -10,6 +10,14 @@ return {
     { "<leader>m", "<cmd>Neotree toggle<cr>", desc = "NeoTree" },
   },
   config = function()
-    require("neo-tree").setup()
+    require("neo-tree").setup({
+      filesystem = {
+        filtered_items = {
+          visible = true,
+          hide_dotfiles = false,
+          hide_gitignored = true,
+        },
+      },
+    })
   end,
 }