Move lsp config to local file structure

.config/nvim/lsp/intelephense.lua

@@ -0,0 +1,33 @@
+---@brief
+---
+--- https://intelephense.com/
+---
+--- `intelephense` can be installed via `npm`:
+--- ```sh
+--- npm install -g intelephense
+--- ```
+---
+--- ```lua
+--- -- See https://github.com/bmewburn/intelephense-docs/blob/master/installation.md#initialisation-options
+--- init_options = {
+---   storagePath = …, -- Optional absolute path to storage dir. Defaults to os.tmpdir().
+---   globalStoragePath = …, -- Optional absolute path to a global storage dir. Defaults to os.homedir().
+---   licenceKey = …, -- Optional licence key or absolute path to a text file containing the licence key.
+---   clearCache = …, -- Optional flag to clear server state. State can also be cleared by deleting {storagePath}/intelephense
+--- }
+--- -- See https://github.com/bmewburn/intelephense-docs
+--- settings = {
+---   intelephense = {
+---     files = {
+---       maxSize = 1000000;
+---     };
+---   };
+--- }
+--- ```
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'intelephense', '--stdio' },
+  filetypes = { 'php' },
+  root_markers = { '.git', 'composer.json' },
+}