feat: added support for the new builtin inlay hints

Enable with:
```lua
{"neovim/nvim-lspconfig", opts = {inlay_hints = {enabled = true}}}
```

lua/lazyvim/config/keymaps.lua

@@ -112,6 +112,9 @@ map("n", "<leader>ul", function() Util.toggle("relativenumber", true) Util.toggl
 map("n", "<leader>ud", Util.toggle_diagnostics, { desc = "Toggle Diagnostics" })
 local conceallevel = vim.o.conceallevel > 0 and vim.o.conceallevel or 3
 map("n", "<leader>uc", function() Util.toggle("conceallevel", false, {0, conceallevel}) end, { desc = "Toggle Conceal" })
+if vim.lsp.buf.inlay_hint then
+  map("n", "<leader>uh", function() vim.lsp.buf.inlay_hint(0, nil) end, { desc = "Toggle Inlay Hints" })
+end
 
 -- lazygit
 map("n", "<leader>gg", function() Util.float_term({ "lazygit" }, { cwd = Util.get_root(), esc_esc = false, ctrl_hjkl = false }) end, { desc = "Lazygit (root dir)" })

lua/lazyvim/plugins/lsp/init.lua

@@ -31,6 +31,12 @@ return {
         },
         severity_sort = true,
       },
+      -- Enable this to enable the builtin LSP inlay hints on Neovim >= 0.10.0
+      -- Be aware that you also will need to properly configure your LSP server to
+      -- provide the inlay hints.
+      inlay_hints = {
+        enabled = false,
+      },
       -- add any global capabilities here
       capabilities = {},
       -- Automatically format on save
@@ -92,6 +98,14 @@ return {
         vim.fn.sign_define(name, { text = icon, texthl = name, numhl = "" })
       end
 
+      if opts.inlay_hints.enabled and vim.lsp.buf.inlay_hint then
+        Util.on_attach(function(client, buffer)
+          if client.server_capabilities.inlayHintProvider then
+            vim.lsp.buf.inlay_hint(buffer, true)
+          end
+        end)
+      end
+
       if type(opts.diagnostics.virtual_text) == "table" and opts.diagnostics.virtual_text.prefix == "icons" then
         opts.diagnostics.virtual_text.prefix = vim.fn.has("nvim-0.10.0") == 0 and "●"
           or function(diagnostic)