Move lsp config to local file structure

.config/nvim/lsp/nxls.lua

@@ -0,0 +1,17 @@
+---@brief
+---
+--- https://github.com/nrwl/nx-console/tree/master/apps/nxls
+---
+--- nxls, a language server for Nx Workspaces
+---
+--- `nxls` can be installed via `npm`:
+--- ```sh
+--- npm i -g nxls
+--- ```
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'nxls', '--stdio' },
+  filetypes = { 'json', 'jsonc' },
+  root_markers = { 'nx.json', '.git' },
+}