pkg update and first config fix

org-brain not working, add org-roam

lisp/company/company-clang.el

@@ -1,6 +1,6 @@
 ;;; company-clang.el --- company-mode completion backend for Clang  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2009, 2011, 2013-2019  Free Software Foundation, Inc.
+;; Copyright (C) 2009-2011, 2013-2021  Free Software Foundation, Inc.
 
 ;; Author: Nikolaj Schumacher
 
@@ -357,7 +357,7 @@ or automatically through a custom `company-clang-prefix-guesser'."
          (string-to-number (match-string-no-properties 2)))
       0)))
 
-(defun company-clang (command &optional arg &rest ignored)
+(defun company-clang (command &optional arg &rest _ignored)
   "`company-mode' completion backend for Clang.
 Clang is a parser for C and ObjC.  Clang version 1.1 or newer is required.