feat: correct my lvim config

lvim/lua/configs/nvimufo.lua

@@ -0,0 +1,19 @@
+vim.o.foldcolumn = '1' -- '0' is not bad
+vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
+vim.o.foldlevelstart = 99
+vim.o.foldenable = true
+vim.o.fillchars = [[eob: ,fold: ,foldopen:󰅀,foldsep:╎,foldclose:󰅂]]
+
+-- Using ufo provider need remap `zR` and `zM`. If Neovim is 0.6.1, remap yourself
+vim.keymap.set('n', 'zR', require('ufo').openAllFolds)
+vim.keymap.set('n', 'zM', require('ufo').closeAllFolds)
+
+-- Option 3: treesitter as a main provider instead
+-- (Note: the `nvim-treesitter` plugin is *not* needed.)
+-- ufo uses the same query files for folding (queries/<lang>/folds.scm)
+-- performance and stability are better than `foldmethod=nvim_treesitter#foldexpr()`
+require('ufo').setup({
+    provider_selector = function(bufnr, filetype, buftype)
+        return {'treesitter', 'indent'}
+    end
+})