Initial commit — AmexPal statement analyser

Python/Flask backend with pdfplumber parser, Svelte 4 frontend,
Docker multi-stage build. Includes category analysis, insights,
monthly/weekly charts, subscription audit, and annualised projections.

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

.env.example

@@ -0,0 +1,8 @@
+# Copy this to .env and fill in values to enable email sending.
+# .env is gitignored — never commit real credentials.
+
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=you@gmail.com
+SMTP_PASS=your-app-password
+EMAIL_FROM=you@gmail.com