Similar to live where a boss is picked at random and will have a guaranteed spawn on a map. This is indicated with a skull on the map selection screen
Configurable via `config/bot.json/weeklyBoss`
* Added a new Fody plugin to add to every model class the JsonExtensionData attribute
* retargeted fody plugin to netstandard for msbuild runtime
* Fixed runtime issue
* Fixed property check for new extension data properties
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Co-authored-by: Alex <clodanSPT@hotmail.com>