Add FastAPI application, API endpoints, Celery workers, and Docker configuration

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

backend/app/api/v1/endpoints/notifications.py

@@ -0,0 +1,43 @@
+"""Notification configuration endpoints"""
+from typing import List
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+
+from app.core.database import get_db
+from app.core.deps import get_current_active_user
+from app.models.database_models import User, NotificationConfig
+from app.models.schemas import (
+    NotificationConfigCreate, NotificationConfigResponse, NotificationConfigUpdate
+)
+
+router = APIRouter()
+
+
+@router.post("", response_model=NotificationConfigResponse, status_code=status.HTTP_201_CREATED)
+async def create_notification_config(
+    config_in: NotificationConfigCreate,
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+):
+    """Create notification configuration"""
+    config = NotificationConfig(
+        user_id=current_user.id,
+        **config_in.dict()
+    )
+    db.add(config)
+    await db.commit()
+    await db.refresh(config)
+    return config
+
+
+@router.get("", response_model=List[NotificationConfigResponse])
+async def list_notification_configs(
+    current_user: User = Depends(get_current_active_user),
+    db: AsyncSession = Depends(get_db)
+):
+    """List all notification configurations"""
+    result = await db.execute(
+        select(NotificationConfig).where(NotificationConfig.user_id == current_user.id)
+    )
+    return result.scalars().all()