Initial commit: MyMidas personal finance tracker

Full-stack self-hosted finance app with FastAPI backend and React frontend.

Features:
- Accounts, transactions, budgets, investments with GBP base currency
- CSV import with auto-detection for 10 UK bank formats
- ML predictions: spending forecast, net worth projection, Monte Carlo
- 7 selectable themes (Obsidian, Arctic, Midnight, Vault, Terminal, Synthwave, Ledger)
- Receipt/document attachments on transactions (JPEG, PNG, WebP, PDF)
- AES-256-GCM field encryption, RS256 JWT, TOTP 2FA, RLS, audit log
- Encrypted nightly backups + key rotation script
- Mobile-responsive layout with bottom nav

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/db/models/__init__.py

@@ -0,0 +1,19 @@
+from app.db.models.user import User
+from app.db.models.session import Session
+from app.db.models.account import Account
+from app.db.models.category import Category
+from app.db.models.transaction import Transaction
+from app.db.models.budget import Budget
+from app.db.models.asset import Asset
+from app.db.models.asset_price import AssetPrice
+from app.db.models.investment_holding import InvestmentHolding
+from app.db.models.investment_transaction import InvestmentTransaction
+from app.db.models.currency import Currency, ExchangeRate
+from app.db.models.net_worth_snapshot import NetWorthSnapshot
+from app.db.models.audit_log import AuditLog
+
+__all__ = [
+    "User", "Session", "Account", "Category", "Transaction", "Budget",
+    "Asset", "AssetPrice", "InvestmentHolding", "InvestmentTransaction",
+    "Currency", "ExchangeRate", "NetWorthSnapshot", "AuditLog",
+]