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>

docker-compose.dev.yml

@@ -0,0 +1,37 @@
+# KeepItGoing - Development Docker Compose Configuration
+# Usage: docker-compose -f docker-compose.dev.yml up -d
+
+version: '3.8'
+
+services:
+  db:
+    image: postgres:16-alpine
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data_dev:/var/lib/postgresql/data
+    environment:
+      POSTGRES_DB: keepitgoing
+      POSTGRES_USER: keepitgoing
+      POSTGRES_PASSWORD: keepitgoing
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U keepitgoing"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  redis:
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+    volumes:
+      - redis_data_dev:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  postgres_data_dev:
+  redis_data_dev: