Add standalone spending dashboards (Amazon AU + Uber)

- Amazon: 9,400 across 565 orders (2021-2026)
- Uber: 7,534 across 559 orders (Eats + Rides)
- Fully self-contained HTML files with embedded data
- Interactive charts, year filtering, searchable tables

README.md

@@ -1,3 +1,29 @@
-# spending-dashboards
+# Spending Dashboards
 
-Personal spending dashboards — Amazon AU & Uber (standalone HTML)
+Personal finance tracking dashboards built from real data exports.
+
+## Dashboards
+
+- **[Amazon AU Dashboard](amazon-dashboard.html)** — $19,400 across 565 orders (2021–2026)
+- **[Uber Dashboard](uber-dashboard.html)** — $17,534 across 559 orders (Eats + Rides)
+
+## Features
+
+- Fully standalone HTML files (open in any browser, no server needed)
+- Interactive year filtering
+- Category breakdowns
+- Monthly spending charts
+- Year-over-year comparisons
+- Searchable/sortable transaction tables
+- Responsive design
+
+## Data Sources
+
+- **Amazon**: CSV order export from Amazon AU
+- **Uber**: Email receipt parsing (Gmail)
+
+## Tech
+
+- [Chart.js](https://www.chartjs.org/) for visualizations
+- Pure vanilla JS, no build step
+- Single-file HTML with embedded data