v2.3.6

• Switch site analytics from Google Analytics to plausible.io by @tsjensen
  • privacy-friendly, no personal information is collected
  • no cookies, so no cookie consent required
  • faster loading, smaller script
• In the "Advanced Civilization" rules, fix a bug that incorrectly ignored the "Engineering" prerequisite for "Mining" and "RoadBuilding" #9 by @Deadly-Insect
• Improve and check all rules so that cards which are a prerequisite for another card cannot get a bonus from that card. #10 Thanks @Deadly-Insect!