docs: better error and ref to checkhealth for nvim-treesitter main

NEWS.md

@@ -12,6 +12,8 @@ Going forward, **LazyVim** requires **Neovim** `>= 0.11.2`, and drops support fo
 - configure **LSP** with the native `vim.lsp.config`
 - migrated **mason.nvim** and **mason-lspconfig.nvim** to `v2.x`
 - migrated to [nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter/tree/main) **main** branch
+  - with the new version, the `tree-sitter` cli is **required** to install parsers
+  - best to run `:checkhealth nvim_treesitter` after updating
 - replace `nvim-treesitter` incremental selection with `flash.nvim`, since it is no longer supported
 - enabled [blink.cmp](https://github.com/saghen/blink.cmp) **cmdline** completions
 - use **LSP** based folding when available (disable with `nvim-lspconfig.folds.enabled = false`)

lua/lazyvim/plugins/treesitter.lua

@@ -51,7 +51,10 @@ return {
     ---@param opts TSConfig
     config = function(plugin, opts)
       if vim.fn.executable("tree-sitter") == 0 then
-        LazyVim.error("**treesitter-main** requires the `tree-sitter` executable to be installed")
+        LazyVim.error({
+          "**treesitter-main** requires the `tree-sitter` CLI executable to be installed.",
+          "Run `:checkhealth nvim_treesitter` for more information.",
+        })
         return
       end
       if type(opts.ensure_installed) ~= "table" then