Move lsp config to local file structure

.config/nvim/lsp/vimls.lua

@@ -0,0 +1,29 @@
+---@brief
+---
+--- https://github.com/iamcco/vim-language-server
+---
+--- You can install vim-language-server via npm:
+--- ```sh
+--- npm install -g vim-language-server
+--- ```
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'vim-language-server', '--stdio' },
+  filetypes = { 'vim' },
+  root_markers = { '.git' },
+  init_options = {
+    isNeovim = true,
+    iskeyword = '@,48-57,_,192-255,-#',
+    vimruntime = '',
+    runtimepath = '',
+    diagnostic = { enable = true },
+    indexes = {
+      runtimepath = true,
+      gap = 100,
+      count = 3,
+      projectRootPatterns = { 'runtime', 'nvim', '.git', 'autoload', 'plugin' },
+    },
+    suggest = { fromVimruntime = true, fromRuntimepath = true },
+  },
+}