Move lsp config to local file structure

.config/nvim/lsp/emmylua_ls.lua

@@ -0,0 +1,24 @@
+---@brief
+---
+--- https://github.com/EmmyLuaLs/emmylua-analyzer-rust
+---
+--- Emmylua Analyzer Rust. Language Server for Lua.
+---
+--- `emmylua_ls` can be installed using `cargo` by following the instructions[here]
+--- (https://github.com/EmmyLuaLs/emmylua-analyzer-rust?tab=readme-ov-file#install).
+---
+--- The default `cmd` assumes that the `emmylua_ls` binary can be found in `$PATH`.
+--- It might require you to provide cargo binaries installation path in it.
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'emmylua_ls' },
+  filetypes = { 'lua' },
+  root_markers = {
+    '.luarc.json',
+    '.emmyrc.json',
+    '.luacheckrc',
+    '.git',
+  },
+  workspace_required = false,
+}