Tariff compare feature now re-plans car, reports in pounds

What's Changed

Compare feature updates

• The tariff compare system now re-plans car charging to match the new rates
• Changed to report data in pounds (or other major unit currency)
• Added Intelligent flux links to the documentation

• Tariff compare to re-plan car by @springfall2008 in #1986
• Compare - move to using pounds by @springfall2008 in #1988
• Update compare.md - add intelligent flux by @springfall2008 in #1987

Full Changelog: v8.14.3...v8.14.4