Move lsp config to local file structure

.config/nvim/lsp/protols.lua

@@ -0,0 +1,17 @@
+---@brief
+---
+--- https://github.com/coder3101/protols
+---
+--- `protols` can be installed via `cargo`:
+--- ```sh
+--- cargo install protols
+--- ```
+---
+--- A Language Server for proto3 files. It uses tree-sitter and runs in single file mode.
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'protols' },
+  filetypes = { 'proto' },
+  root_markers = { '.git' },
+}