added shortcut neotree

lua/kickstart/plugins/filetree.lua

@@ -10,6 +10,14 @@ return {
     'MunifTanjim/nui.nvim',
   },
   config = function()
-    require('neo-tree').setup {}
+    require('neo-tree').setup({
+      filesystem = {
+        window = {
+          mappings = {
+            ["l"] = "open", -- Map 'l' to open directories
+          },
+        },
+      },
+    })
   end,
 }