* Add KNX panel
* provide project data for the panel group monitor
* upload and delete project from panel
* test project store
* more tests
* finish tests
* use integers for DPTBinary payload monitor display
* add project to diagnostics
* require new frontend version
* update knx_frontend
* review suggestions
* update xknxproject to 3.1.0
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Co-authored-by: Marvin Wichmann <me@marvin-wichmann.de>
