v0.3.0-dev.5

What's Changed

• Move pure controller/zone tests to unit/ by @lnagel in #63
• Fix listener cleanup on config entry unload after reload by @lnagel in #65
• Update PID error sensor icons to use plus/minus variants by @lnagel in #66
• Add heat accounting with supply temperature normalization by @lnagel in #64
• Add quickstart guide for new users by @lnagel in #68
• Add heating curve for outdoor temperature compensation by @lnagel in #76

Full Changelog: v0.2.1...v0.3.0-dev.5