strikethrough
Add strikethrough using EntitiesBuilder.add with dev.inmo.tgbotapi.types.message.textsources.strikethroughTextSource
inline fun EntitiesBuilder.strikethrough(noinline init: EntitiesBuilderBody): EntitiesBuilder(source)
Add strikethrough using EntitiesBuilder.add with dev.inmo.tgbotapi.types.message.textsources.strikethroughTextSource. Will reuse separator config from buildEntities