v1.0.2: Upgrade version from 1.0.1 to 1.0.2

• 8 inverter presets — Deye, Sunsynk, Huawei, Fronius, Growatt, Victron, SolarEdge, Custom
• Polarity normalization — configurable battery and grid sign conventions
• Animated dot flow — speed proportional to power (more watts = faster dots)
• Color-coded flows — green for charging/exporting, red for importing, purple for discharging
• Battery runtime — estimated time to shutdown SOC with ETA clock
• Battery gauge — visual SOC level inside the battery icon
• Battery temperature & voltage — displayed alongside the battery icon
• 24h sparkline charts — smooth Catmull-Rom area charts with auto-refresh every 5 minutes
• Auto-scaling sparklines — dynamic Y-axis based on actual data
• Autarky pill — color changes based on self-sufficiency (green/orange/red)
• Daily totals — import/export arrows with kWh values
• Trend arrows — ▴ rising, ▾ falling, ▸ stable
• Grid status dot — green/red/gray (when unconfigured)
• Unavailable handling — shows -- when sensors are offline
• Visual editor — preset selector, polarity config, entity fields
• Multi-language — Portuguese (pt) and English (en)
• Lightweight — ~34KB single file, no build step, no dependencies