Add GraphViz config

config.org

@@ -1336,6 +1336,15 @@
              (car (process-lines "pass" "openai/api-key"))))
    #+end_src
 
+** GraphViz
+   The =graphviz-dot-mode= package provides some integration for the
+   GraphViz suite of tools, and a mode for the 'dot' language they
+   use:
+
+   #+begin_src emacs-lisp
+     (use-package graphviz-dot-mode)
+   #+end_src
+
 * Backup and Autosave
 ** Keep $PWD Tidy
    Emacs' default behaviour of dumping temporary files in the current