Install plantuml-mode package

init.el

@@ -105,6 +105,7 @@
      org-bullets
      org-projectile
      origami
+     plantuml-mode
      projectile
      sass-mode
      smart-mode-line
@@ -507,6 +508,8 @@
                 ediff-split-window-function 'split-window-vertically
                 ediff-window-setup-function 'ediff-setup-windows-plain))
 
+(use-package plantuml-mode)
+
 ;; Load my own functions
 (load "gnu-c-header.el")
 (load "toggle-window-split.el")