v2.2.0

Changelog

• 7ededbd: feat: curate the default list-insights view (@spark2ignite)
• cf06a87: feat: format insight daily savings as USD (@spark2ignite)
• ff2f2a1: feat: savings-ranked list-insights with easy-win and report links (@spark2ignite)
• d5bca6e: feat: tighten the list-insights view to title-led columns (@spark2ignite)