Add citar and some initial config

Setup references directory to keep bibliographies and reference PDFs,
sync with git-sync

home/emacs/default.nix

@@ -15,6 +15,10 @@
         path = "${homeDirectory}/Org";
         uri = "git+https://git.xenia.me.uk/xenia/Org.git";
       };
+      references = {
+        path = "${homeDirectory}/.references";
+        uri = "git+https://git.xenia.me.uk/xenia/references.git";
+      };
       elfeed = {
         path = "${homeDirectory}/.elfeed";
         uri = "git+https://git.xenia.me.uk/xenia/elfeed.git";

home/emacs/modules/custom-org-config.el

@@ -55,6 +55,14 @@
 	 :empty-lines 1)
 	))
 
+(setq citar-bibliography '("~/.references/main.bib")
+      citar-library-paths '("~/.references/library")
+      citar-notes-paths '("~/.references/notes")
+      citar-symbols '((file "F" . "󰂺")
+		      (note "N" . "󰎞")
+		      (link "L" . "󰌹")))
+(require 'citar nil :noerror)
+
 (setq khalel-import-org-file (expand-file-name "calendar.org" org-directory)
       khalel-import-org-file-read-only nil
       khalel-import-org-file-confirm-overwrite nil

system/emacs.nix

@@ -44,11 +44,14 @@
         emms
 
         # org-packages
-        denote
+        org-roam
         org-appear
         org-cliplink
         org-journal
         org-modern
+        citar
+        citar-embark
+        citar-org-roam
         khalel
 
         # project-packages