added nvim-lint with clang-tidy

lua/plugins/nvim-lint.lua

@@ -0,0 +1,19 @@
+return {
+  'mfussenegger/nvim-lint',
+  config = function()
+    require('lint').linters_by_ft = {
+      cpp = { 'clangtidy', }
+    }
+    vim.api.nvim_create_autocmd({ 'BufWritePost' }, {
+      callback = function()
+        -- try_lint without arguments runs the linters defined in `linters_by_ft`
+        -- for the current filetype
+        require('lint').try_lint()
+
+        -- You can call `try_lint` with a linter name or a list of names to always
+        -- run specific linters, independent of the `linters_by_ft` configuration
+        -- require('lint').try_lint('cspell')
+      end,
+    })
+  end
+}