updated neovim to use modern lazy

.config/nvim/after/ftplugin/tex.lua

@@ -0,0 +1,23 @@
+vim.api.nvim_create_autocmd({ "VimEnter" }, {
+  callback = function()
+    require("tidy").opts.enabled_on_save = false
+  end,
+})
+
+vim.api.nvim_create_autocmd({ "BufLeave" }, {
+  callback = function()
+    if vim.o.ma then
+      require("tidy").run()
+    end
+  end,
+})
+
+vim.api.nvim_create_autocmd({ "VimLeave" }, {
+  callback = function()
+    os.execute("texclear " .. vim.fn.expand("%"))
+  end,
+})
+
+vim.o.shiftwidth = 2
+vim.o.softtabstop = 2
+vim.o.textwidth = 80