add custom plugins

lua/custom/plugins/filetree.lua

@@ -0,0 +1,27 @@
+return {
+  "nvim-neo-tree/neo-tree.nvim",
+  version = "*",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+    "MunifTanjim/nui.nvim",
+  },
+  config = function()
+    -- Unless you are still migrating, remove the deprecated commands from v1.x
+    vim.cmd([[ let g:neo_tree_remove_legacy_commands = 1 ]])
+
+    require('neo-tree').setup {
+      window = {
+        position = "float",
+      },
+      filesystem = {
+        filtered_items = {
+          visible = true,
+          hide_dotfiles = false,
+          hide_gitignored = false,
+        },
+        hijack_netrw_behavior = "open_current",
+      },
+    }
+  end,
+}