v0.6.0: rounded and refactored

Changes

• Round numeric state values to one decimal place (#111) @weltenwort
• Add additional entities and units (#110) @weltenwort

🔨 Refactoring

• Refactor to use official EntityDescription (#106) @weltenwort

📦 Dependencies

• Bump homeassistant from 2021.8.7 to 2021.8.8 (#108) @dependabot
• Bump poetry from 1.1.7 to 1.1.8 in /.github/workflows (#109) @dependabot
• Bump homeassistant from 2021.8.6 to 2021.8.7 (#107) @dependabot
• Bump pip from 21.2.3 to 21.2.4 in /.github/workflows (#105) @dependabot
• Bump homeassistant from 2021.8.4 to 2021.8.6 (#104) @dependabot
• Bump homeassistant from 2021.8.2 to 2021.8.4 (#101) @dependabot
• Bump pre-commit from 2.13.0 to 2.14.0 (#102) @dependabot