Enable use of `null` to not draw rectangle inside

OpenEPaperLink / Home_Assistant_Integration

Home assistant Integration for the OpenEPaperLink project

https://openepaperlink.de

Apache License 2.0

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Enable use of `null` to not draw rectangle inside #84

Closed jonasc closed 9 months ago

jonasc commented 9 months ago

Currently the documentation warns that the rectangle may cover previous information. However, using None as the color allows not drawing anything. Allowing a null yaml value for colors solves this.