mason: add warning message for removed option "ensure_installed"

lua/nvchad/plugins/init.lua

@@ -84,6 +84,22 @@ return {
     opts = function()
       return require "nvchad.configs.mason"
     end,
+    config = function(_, opts)
+      if opts.ensure_installed then
+        vim.api.nvim_echo({
+          { "\n   ensure_installed has been removed! use M.mason.pkgs table in your chadrc.\n", "WarningMsg" },
+          { "   https://github.com/NvChad/ui/blob/v2.5/lua/nvconfig.lua#L85 \n\n", "FloatBorder" },
+          {
+            "   MasonInstallAll will automatically install all mason packages of tools configured in your plugins. \n",
+            "healthSuccess",
+          },
+          { "   Currently supported plugins are : lspconfig, nvim-lint, conform. \n", "Added" },
+          { "   So dont add them in your chadrc as MasonInstallAll automatically installs them! \n", "Changed" },
+        }, false, {})
+      end
+
+      require("mason").setup(opts)
+    end,
   },
 
   {