feat: Add paren package configuration

show-paren-context-when-offscreen is handy to indicate when we are
offscreen for a block of code

config.org

@@ -704,6 +704,18 @@ https://github.com/victorhge/iedit
   :hook (prog-mode-hook . electric-pair-mode))
 #+END_SRC
 
+** Paren
+
+#+BEGIN_SRC emacs-lisp
+(use-package paren
+  :ensure nil
+  :hook (after-init-hook . show-paren-mode)
+  :custom
+  (show-paren-delay 0)
+  (show-paren-style 'mixed)
+  (show-paren-context-when-offscreen t)) ;; show matches within window splits
+#+END_SRC
+
 ** Eglot
 
 #+BEGIN_SRC emacs-lisp