Update roadmap.md

docs/roadmap.md

@@ -3,15 +3,29 @@
 - [ ] Email client support for Outlook
 - [ ] Task board support
   - [ ] User-defined columns
-  - [ ] Done column
   - [ ] Due dates
   - [ ] Snoozing
   - [ ] Notes
   - [ ] Tags
-- [ ] Grouping cards
+  - [ ] Attachments
+  - [ ] Grouping cards / sub-cards
 
 ## Todoist Integration
 - [ ] Add Todoist integration
 - [ ] Canvas tabs
 - [ ] Card staging area (for inter-tab drag and drop)
 - [ ] Convert email to task
+  - [ ] Drag and drop
+
+## Calendar Integration
+- [ ] Outlook calendar view
+- [ ] Schedule, manage and rsvp
+- [ ] Meeting as a card
+
+## Enhancements
+- [ ] Recurring tasks
+- [ ] Multi-level sub-cards
+- [ ] Cross-linked cards
+  - [ ] Cross-link with Todoist
+- [ ] Additional themes
+- [ ] Custom themes