feat(dot): add bashls and shellcheck (#2879)

lua/lazyvim/plugins/extras/util/dot.lua

@@ -7,6 +7,23 @@ local function have(path)
 end
 
 return {
+  {
+    "neovim/nvim-lspconfig",
+    opts = {
+      servers = {
+        bashls = {},
+      },
+    },
+  },
+  {
+    "williamboman/mason.nvim",
+    opts = function(_, opts)
+      vim.list_extend(opts.ensure_installed or {}, {
+        "shfmt",
+        "shellcheck",
+      })
+    end,
+  },
   -- add some stuff to treesitter
   {
     "nvim-treesitter/nvim-treesitter",