fix: enable lint for shell and protobuf

init.lua

@@ -909,7 +909,7 @@ require('lazy').setup({
   --
   -- require 'kickstart.plugins.debug',
   -- require 'kickstart.plugins.indent_line',
-  -- require 'kickstart.plugins.lint',
+  require 'kickstart.plugins.lint',
   -- require 'kickstart.plugins.autopairs',
   -- require 'kickstart.plugins.neo-tree',
   -- require 'kickstart.plugins.gitsigns', -- adds gitsigns recommend keymaps

lua/kickstart/plugins/lint.lua

@@ -7,6 +7,8 @@ return {
       local lint = require 'lint'
       lint.linters_by_ft = {
         markdown = { 'markdownlint' },
+        sh = { 'shellcheck' },
+        proto = { 'buf_lint' },
       }
 
       -- To allow other plugins to add linters to require('lint').linters_by_ft,