Enable erase-buffer, websockets, org-remark, epub export, and svg export for mermaid-cli

workflows/org-custom.el

@@ -651,6 +651,9 @@
           org-roam-ui-update-on-save t
 	  org-roam-ui-open-on-start nil)))
 
+;; Annotation
+(use-package org-remark)
+
 ;; Bibliography stuff
 (setq bibtex-dialect 'biblatex) ;; Use biblatex instead of bibtex.
 
@@ -700,6 +703,9 @@
    (mermaid . t)
    ))
 
+;; Epub export
+(use-package ox-epub)
+
 ;;; LaTeX configuration
 (require 'ox-latex)