fix: better fold

lua/custom/plugins/nvim-ufo.lua

@@ -0,0 +1,20 @@
+return {
+    "kevinhwang91/nvim-ufo",
+    event = "BufReadPost",
+    dependencies = {
+        "kevinhwang91/promise-async",
+        "nvim-treesitter/nvim-treesitter",
+    },
+    init = function()
+        vim.o.foldenable = true
+        vim.o.foldcolumn = "auto:9"
+        vim.o.foldlevel = 99
+        vim.o.foldlevelstart = 99
+        vim.o.fillchars = "eob: ,fold: ,foldopen:,foldsep:│,foldclose:"
+    end,
+    opts = {
+        provider_selector = function()
+            return { "treesitter", "indent" }
+        end,
+    },
+}