vikunja service backup folders

modules/clan/vikunja/default.nix

@@ -9,9 +9,19 @@
     perInstance.nixosModule =
       {
         lib,
+        config,
         ...
       }:
       {
+        clan.core.state.vikunja.folders = [
+          config.services.vikunja.settings.files.basepath
+        ]
+        ++ (
+          if config.services.vikunja.settings.database.type == "sqlite" then
+            [ config.services.vikunja.settings.database.path ]
+          else
+            [ ]
+        );
         services.vikunja = {
           enable = lib.mkDefault true;
           frontendScheme = lib.mkDefault "http";