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>

.dockerignore

@@ -0,0 +1,9 @@
+**/__pycache__
+**/*.pyc
+**/*.pyo
+.env
+.git
+.gitignore
+frontend/node_modules
+frontend/dist
+AGENT.MD