Add export-ics-to-nextcloud facility

.gitmodules

@@ -145,3 +145,6 @@
 [submodule "org-timeline"]
 	path = org-timeline
 	url = https://github.com/Fuco1/org-timeline.git
+[submodule "combobulate"]
+	path = combobulate
+	url = https://github.com/mickeynp/combobulate.git

combobulate

@@ -0,0 +1 @@
+Subproject commit c7e4670a3047c0b58dff3746577a5c8e5832cfba

global.org

@@ -1985,9 +1985,23 @@
       (global-set-key (kbd "C-c n f") 'org-roam-node-find)
       (global-set-key (kbd "C-c n l") 'org-roam-node-insert)
       (global-set-key (kbd "C-c n n") 'org-roam-buffer-toggle)
+    #+end_src
+*** export to ics
+    #+begin_src emacs-lisp
+      (defun wilder/push-subtree-to-nextcloud ()
+        (interactive)
+        (org-back-to-heading)
+        (org-map-entries #'wilder/push-heading-to-nextcloud nil 'tree))
 
-
-
+      (defun wilder/push-heading-to-nextcloud ()
+        (interactive)
+        (org-narrow-to-subtree)
+        (let ((org-icalendar-scheduled-summary-prefix "")
+              (org-icalendar-use-scheduled '(event-if-todo))
+              (org-icalendar-include-todo) nil)
+          (shell-command (concat "~/scripts/push-to-nextcloud-cal.sh "
+                                 (org-icalendar-export-to-ics))))
+        (widen))
     #+end_src
 ** elisp
 *** Paredit