error fixes

config/nvim/lua/plugins/extras/lang/bash.lua

@@ -19,7 +19,15 @@ return {
     "williamboman/mason.nvim",
     opts = function(_, opts)
       opts.ensure_installed = opts.ensure_installed or {}
-      vim.list_extend(opts.ensure_installed, { "bash-language-server" })
+      vim.list_extend(opts.ensure_installed, { "bash-language-server", "shellcheck" })
+    end,
+  },
+  {
+    "mfussenegger/nvim-lint",
+    opts = function(_, opts)
+      opts.linters_by_ft.bash = opts.linters_by_ft.bash or {}
+      table.insert(opts.linters_by_ft.bash, "shellcheck")
+      return opts
     end,
   },
   {