add linters, enable plugins

init.lua

@@ -668,6 +668,7 @@ require('lazy').setup({
         ruby = { { 'rubocop' } },
         go = { { 'gofmt' } },
       },
+      formatters = {},
     },
   },
 
@@ -877,9 +878,9 @@ require('lazy').setup({
   --  Here are some example plugins that I've included in the Kickstart repository.
   --  Uncomment any of the lines below to enable them (you will need to restart nvim).
   --
-  -- require 'kickstart.plugins.debug',
-  -- require 'kickstart.plugins.indent_line',
-  -- require 'kickstart.plugins.lint',
+  require 'kickstart.plugins.debug',
+  require 'kickstart.plugins.indent_line',
+  require 'kickstart.plugins.lint',
 
   -- NOTE: The import below can automatically add your own plugins, configuration, etc from `lua/custom/plugins/*.lua`
   --    This is the easiest way to modularize your config.

lua/kickstart/plugins/lint.lua

@@ -7,6 +7,10 @@ return {
       local lint = require 'lint'
       lint.linters_by_ft = {
         markdown = { 'markdownlint' },
+        ruby = { 'rubocop' },
+        terraform = { 'tlint' },
+        json = { 'jsonlint' },
+        javascript = { 'eslint_d' },
       }
 
       -- To allow other plugins to add linters to require('lint').linters_by_ft,