Release version 1.21.0
Features:
- Text sizes in speed bars configurable, fixes #132
- Current speed arrow location can now also be rendered on the other side of the bar, fixes #139
Fix:
- Refactoring dimension calculation code, fixes #143
- When using more than 16 rose leaves, render the space between the leaves smaller.
- When there is no history data returned by HA, a clear error message is logged in the console.