Add d2.

ansible/roles/emacs/files/elisp/lang-d2.el

@@ -0,0 +1,16 @@
+(defun d2-format-buffer ()
+  "Run prettier."
+  (interactive)
+  (run-command-on-buffer "d2" "fmt" "-")
+  )
+
+(use-package d2-mode
+  :commands (d2-mode)
+  :hook (
+         (d2-mode . (lambda ()
+                      ;; (add-hook 'before-save-hook 'd2-format-buffer nil 'local)
+                      ))
+         )
+  )
+
+(provide 'lang-d2)

ansible/roles/emacs/files/elisp/lang-org.el

@@ -87,4 +87,8 @@
 (use-package gnuplot)
 (use-package graphviz-dot-mode)
 
+(use-package htmlize
+  ;; For syntax highlighting when exporting to HTML.
+  )
+
 (provide 'lang-org)

ansible/roles/emacs/files/init.el

@@ -40,4 +40,6 @@
 
 (require 'lang-cmake)
 
+(require 'lang-d2)
+
 (load-directory autoload-directory)

ansible/roles/emacs/tasks/linux.yaml

@@ -15,6 +15,7 @@
       - typescript-language-server
       - shellcheck
       - vscode-css-languageserver
+      - d2 # Generating diagrams
     state: present
 
 - name: Create directories