Add plantuml support

emacs/.emacs.d/config/init-plantuml.el

@@ -0,0 +1,8 @@
+;; -*- lexical-binding: t; -*-
+(use-package plantuml-mode
+  :mode (("\\.uml\\'" . plantuml-mode)
+         ("\\.plantuml\\'" .  plantuml-mode))
+  :custom
+  (plantuml-default-exec-mode 'executable))
+
+(provide 'init-plantuml)

emacs/.emacs.d/init.el

@@ -112,6 +112,7 @@
 (require 'init-elfeed)
 (require 'init-1pass)
 (require 'init-wallabag)
+(require 'init-plantuml)
 (require 'init-lola)
 (require 'handwriting)
 (when (string-equal system-type "darwin")