v0.7.0: total_increasing all the things

Changes

🚀 Features

• Add entity to represent consumed battery energy (#121) @weltenwort
• Support total_increasing state class (#120) @weltenwort

🔥 Removals and Deprecations

• Support total_increasing state class (#120) @weltenwort

🔨 Refactoring

• Support total_increasing state class (#120) @weltenwort

📦 Dependencies

• Bump pre-commit from 2.14.0 to 2.15.0 (#115) @dependabot
• Bump homeassistant from 2021.8.8 to 2021.9.1 (#116) @dependabot
• Bump black from 21.7b0 to 21.8b0 (#113) @dependabot