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>

.env.example

@@ -0,0 +1,22 @@
+# Copy to .env and fill in values
+# Generate ENCRYPTION_KEY with: python3 -c "import secrets; print(secrets.token_hex(32))"
+# Generate DB_PASSWORD with: python3 -c "import secrets; print(secrets.token_urlsafe(32))"
+# Generate REDIS_PASSWORD with: python3 -c "import secrets; print(secrets.token_urlsafe(32))"
+# Generate BACKUP_PASSPHRASE with: python3 -c "import secrets; print(secrets.token_urlsafe(32))"
+
+ENCRYPTION_KEY=changeme_generate_with_above_command
+DB_PASSWORD=changeme_generate_with_above_command
+REDIS_PASSWORD=changeme_generate_with_above_command
+BACKUP_PASSPHRASE=changeme_generate_with_above_command
+
+# App settings
+ENVIRONMENT=production
+DOMAIN=localhost
+ALLOW_REGISTRATION=false
+BASE_CURRENCY=GBP
+
+# Optional: SMTP for future notifications
+# SMTP_HOST=
+# SMTP_PORT=587
+# SMTP_USER=
+# SMTP_PASSWORD=