Move lsp config to local file structure

.config/nvim/lsp/laravel_ls.lua

@@ -0,0 +1,14 @@
+---@brief
+---
+--- https://github.com/laravel-ls/laravel-ls
+---
+--- `laravel-ls`, language server for laravel
+---
+--- The default `cmd` assumes that the `laravel-ls` binary can be found in `$PATH`.
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'laravel-ls' },
+  filetypes = { 'php', 'blade' },
+  root_markers = { 'artisan' },
+}