Add deno support

lsp.vim

@@ -79,5 +79,20 @@ let g:LanguageClient_serverCommands = {
 \ }
 
 lua<<EOF
-require('lspconfig').tsserver.setup{}
+vim.g.markdown_fenced_languages = {
+  "ts=typescript"
+}
+local lspconfig = require('lspconfig')
+local util = require('lspconfig.util')
+
+lspconfig.denols.setup {
+  on_attach = on_attach,
+  root_dir = util.root_pattern("deno.json", "deno.jsonc"),
+}
+
+lspconfig.tsserver.setup {
+  on_attach = on_attach,
+  root_dir = util.root_pattern("package.json"),
+  single_file_support = false
+}
 EOF