Move package manager configuration to a new place

configuration.org

@@ -26,11 +26,13 @@ I prefer using freedesktop’s desktop specification everywhere.
 (load "xdg-paths")
 #+end_src
 
-* Emacs configuration
+* Set up the package manager
+
+I’m a ~package.el~ user.  Don’t package-shame me!
 
 ** Set up the package archives
 
-#+BEGIN_SRC emacs-lisp
+#+begin_src emacs-lisp
 (require 'package)
 (add-to-list 'package-archives
              '("gnu" . "https://elpa.gnu.org/packages/"))
@@ -41,42 +43,48 @@ I prefer using freedesktop’s desktop specification everywhere.
 (add-to-list 'package-archives
              '("org" . "https://orgmode.org/elpa/") t)
 (package-initialize)
-#+END_SRC
+#+end_src
 
-** Configure ~use-package~ and preload ~bind-key~
+** Set up ~use-package~
 
-#+BEGIN_SRC emacs-lisp
+It is built-in since 29.1, and let’s hope I never get back using older versions, but let’s stay on the safe side for now.
+
+#+begin_src emacs-lisp
 (unless (package-installed-p 'use-package)
   (package-refresh-contents)
   (package-install 'use-package))
 
 (require 'use-package)
 
-(customize-set-variable 'use-package-always-ensure t)
-(customize-set-variable 'use-package-verbose nil)
+(use-package use-package
+  :custom
+  (use-package-always-ensure t)
+  (use-package-verbose nil))
 
 (use-package bind-key)
-#+END_SRC
+#+end_src
 
-** Install and configure Quelpa
+*** Install Quelpa so we can add packages not present in MELPA yet
 
-#+BEGIN_SRC emacs-lisp
+#+begin_src emacs-lisp
 (unless (package-installed-p 'quelpa)
   (with-temp-buffer
     (url-insert-file-contents "https://raw.githubusercontent.com/quelpa/quelpa/master/quelpa.el")
     (eval-buffer)
     (quelpa-self-upgrade)))
-#+END_SRC
+#+end_src
 
-*** And quelpa-use-package, too!
+*** Finally, combine the powers of use-package and quelpa
 
-#+BEGIN_SRC emacs-lisp
+#+begin_src emacs-lisp
 (quelpa
  '(quelpa-use-package
    :fetcher git
    :url "https://github.com/quelpa/quelpa-use-package.git"))
 (require 'quelpa-use-package)
-#+END_SRC
+#+end_src
+
+* Emacs configuration
 
 ** Set up the really basic things