improve neotree

lua/custom/plugins/filetree.lua

@@ -10,6 +10,18 @@ return {
     "MunifTanjim/nui.nvim",
   },
   config = function ()
-    require('neo-tree').setup {}
+    require('neo-tree').setup {
+      default_component_configs = {
+        icon = {
+            folder_closed = "",
+            folder_open = "",
+            folder_empty = "󰜌",
+            -- The next two settings are only a fallback, if you use nvim-web-devicons and configure default icons there
+            -- then these will never be used.
+            default = "*",
+            highlight = "NeoTreeFileIcon"
+        },
+      }
+    }
   end,
 }