Initial commit: KeepItGoing task management server

Features:
- Django-based REST API with web interface
- Task management with tags, priorities, and due dates
- Time tracking with start/stop timers
- Subtasks support
- Task filtering (all, today, upcoming, overdue, completed)
- Tag-based organization with color coding
- Sorting by due date and priority
- Auto-assign tags when filtering
- Responsive 3-pane layout (sidebar, task list, detail panel)
- Task sharing between users
- Mobile-responsive design with dark mode support

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

requirements.txt

@@ -0,0 +1,30 @@
+# Django core
+Django>=5.0,<6.0
+django-environ>=0.11.0
+django-cors-headers>=4.3.0
+django-filter>=24.0
+
+# Django REST Framework
+djangorestframework>=3.14.0
+djangorestframework-simplejwt>=5.3.0
+
+# Database
+psycopg2-binary>=2.9.9
+dj-database-url>=2.1.0
+
+# Task queue
+celery>=5.3.0
+redis>=5.0.0
+django-celery-beat>=2.5.0
+
+# Push notifications
+firebase-admin>=6.4.0
+pywebpush>=1.14.0
+
+# Utilities
+python-dateutil>=2.8.2
+Pillow>=10.0.0
+
+# Production
+gunicorn>=21.0.0
+whitenoise>=6.6.0