Dashboards

• Charging Curves: Added option to filter recharges with a minimum maximum power in the DC charging curve
• Charging Costs Stats: Added panel "Cost per years"
• Overview v2: Renamed dashboard

Other changes

• Updated readme
• Updated screenshots

Full Changelog: https://github.com/CarlosCuezva/dashboards-Grafana-Teslamate/compare/v1.11.1...v1.12.0