added zsh support

lua/lazyvim/plugins/extras/lang/zsh.lua

@@ -0,0 +1,37 @@
+-- a workaround for getting completions in zsh scripts
+return {
+  recommended = function()
+    return LazyVim.extras.wants({
+      ft = "zsh",
+      -- root = { ""},
+    })
+  end,
+  {
+    "nvim-treesitter/nvim-treesitter",
+    opts = { ensure_installed = { "bash" } },
+  },
+  {
+    "mason.nvim",
+    opts = { ensure_installed = { "beautysh" } },
+  },
+  {
+    "nvimtools/none-ls.nvim",
+    optional = true,
+    opts = function(_, opts)
+      local nls = require("null-ls")
+      opts.sources = vim.list_extend(opts.sources or {}, {
+        nls.builtins.diagnostics.zsh,
+      })
+    end,
+  },
+  {
+    "neovim/nvim-lspconfig",
+    opts = {
+      servers = {
+        bashls = {
+          filetypes = { "sh", "zsh", "bash" },
+        },
+      },
+    },
+  },
+}