add serve arg to helm-ls and fix file name typo

Author: TOMOFUMI-KONDO

settings/help-ls.vim settings/helm-ls.vim

@@ -2,7 +2,7 @@ augroup vim_lsp_settings_helm_ls
   au!
   LspRegisterServer {
       \ 'name': 'helm-ls',
-      \ 'cmd': {server_info->lsp_settings#get('helm-ls', 'cmd', [lsp_settings#exec_path('helm-ls')]+lsp_settings#get('helm-ls', 'args', []))},
+      \ 'cmd': {server_info->lsp_settings#get('helm-ls', 'cmd', [lsp_settings#exec_path('helm-ls')]+lsp_settings#get('helm-ls', 'args', ['serve']))},
       \ 'root_uri':{server_info->lsp_settings#get('helm-ls', 'root_uri', lsp_settings#root_uri('helm-ls'))},
       \ 'initialization_options': lsp_settings#get('helm-ls', 'initialization_options', {}),
       \ 'capabilities': lsp_settings#get('helm-ls', 'capabilities', {}),