Move lsp config to local file structure

.config/nvim/lsp/tsp_server.lua

@@ -0,0 +1,17 @@
+---@brief
+---
+--- https://github.com/microsoft/typespec
+---
+--- The language server for TypeSpec, a language for defining cloud service APIs and shapes.
+---
+--- `tsp-server` can be installed together with the typespec compiler via `npm`:
+--- ```sh
+--- npm install -g @typespec/compiler
+--- ```
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'tsp-server', '--stdio' },
+  filetypes = { 'typespec' },
+  root_markers = { 'tspconfig.yaml', '.git' },
+}