Initial project setup: NF Hotel Data Analysis API

- Add project structure with domain-driven design organization
- Implement FastAPI endpoints for hotel booking reports
- Add data cleaning, statistics, and LLM report generation services
- Include configuration management and security utilities
- Add repository layer for bookings and metadata access
- Setup testing framework with conftest.py
- Include example files and documentation

examples/sample_booking_request.json

@@ -0,0 +1,58 @@
+{
+  "records": [
+    {
+      "booking_id": 1,
+      "hotel": "NF Hotel",
+      "is_canceled": 0,
+      "lead_time": 342,
+      "arrival_date_week_number": 27,
+      "booking_date": "2017-07-24",
+      "arrival_date": "2018-07-01",
+      "arrival_date_day_of_month": 1,
+      "stays_in_weekend_nights": 0,
+      "stays_in_week_nights": 0,
+      "adults": 2,
+      "children": 0,
+      "babies": 0,
+      "meal": "BB",
+      "country": "Portugal",
+      "market_segment": "Direct",
+      "is_repeated_guest": 0,
+      "previous_cancellations": 0,
+      "assigned_room_type": "A",
+      "booking_changes": 3,
+      "deposit_type": "No Deposit",
+      "agent": 0,
+      "customer_type": "No Contract (Single)",
+      "required_car_parking_spaces": 0,
+      "total_of_special_requests": 0
+    },
+    {
+      "booking_id": 2,
+      "hotel": "NF Hotel",
+      "is_canceled": 0,
+      "lead_time": 737,
+      "arrival_date_week_number": 27,
+      "booking_date": "2016-06-24",
+      "arrival_date": "2018-07-01",
+      "arrival_date_day_of_month": 1,
+      "stays_in_weekend_nights": 0,
+      "stays_in_week_nights": 0,
+      "adults": 2,
+      "children": 0,
+      "babies": 0,
+      "meal": "BB",
+      "country": "Portugal",
+      "market_segment": "Direct",
+      "is_repeated_guest": 0,
+      "previous_cancellations": 0,
+      "assigned_room_type": "B",
+      "booking_changes": 4,
+      "deposit_type": "No Deposit",
+      "agent": 0,
+      "customer_type": "No Contract (Single)",
+      "required_car_parking_spaces": 0,
+      "total_of_special_requests": 0
+    }
+  ]
+}