NVIM: Keymap layout is now Lazy-centric

.config/nvim/lua/plugins/tidy.lua

@@ -1,10 +1,21 @@
 return {
   -- clean up white spaces and empty lines before writing
-  {
-    "mcauley-penney/tidy.nvim",
-    branch = "main",
-    opts = {
+  "mcauley-penney/tidy.nvim",
+  branch = "main",
+  ft = { "markdown", "tex" },
+  config = function()
+    local tidy = require("tidy")
+    tidy.setup({
       filetype_exclude = { "diff" },
-    },
-  },
+    })
+    tidy.opts.enabled_on_save = false
+    vim.api.nvim_create_autocmd("BufLeave", {
+      pattern = { "*.md", "*.tex" },
+      callback = function()
+        if vim.bo.modifiable then
+          tidy.run()
+        end
+      end,
+    })
+  end,
 }