neovim: add typst-preview plugin

neovim/.config/nvim/after/plugin/lsp/config.lua

@@ -17,6 +17,7 @@ null_ls.setup({
     null_formatting.gofmt,
     null_formatting.goimports,
     null_formatting.shfmt,
+    null_formatting.typstyle,
   },
   on_attach = function()
     local group = vim.api.nvim_create_augroup("NullLsLspFormatting", { clear = true })
@@ -59,7 +60,7 @@ vim.api.nvim_create_autocmd("LspAttach", {
       vim.keymap.set("v", "<leader>.", vim.lsp.buf.range_code_action, opts)
     end
 
-    local codelens_ignored_clients = { "yaml" }
+    local codelens_ignored_clients = { "yaml", "tinymist" }
 
     if
       client