Move lsp config to local file structure

.config/nvim/lsp/svls.lua

@@ -0,0 +1,17 @@
+---@brief
+---
+--- https://github.com/dalance/svls
+---
+--- Language server for verilog and SystemVerilog
+---
+--- `svls` can be installed via `cargo`:
+---  ```sh
+---  cargo install svls
+---  ```
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'svls' },
+  filetypes = { 'verilog', 'systemverilog' },
+  root_markers = { '.git' },
+}