Move lsp config to local file structure

.config/nvim/lsp/veryl_ls.lua

@@ -0,0 +1,17 @@
+---@brief
+---
+--- https://github.com/veryl-lang/veryl
+---
+--- Language server for Veryl
+---
+--- `veryl-ls` can be installed via `cargo`:
+---  ```sh
+---  cargo install veryl-ls
+---  ```
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'veryl-ls' },
+  filetypes = { 'veryl' },
+  root_markers = { '.git' },
+}