1.6.9: Bugfixes in challenges

What's Changed

Docs:

• Update README.md by @commjoen in #940

Bugfixes:

• Update Challenge35 as there as a bug in the component ordering by @commjoen in #942
• Update challenge32 to explain external website usage by @commjoen in #948
• Replace Challenge32 with another prompting game (Gandalf) as the old prompting game is shut down by @commjoen in #950
• Fix for challenge29 as there was an issue with decyrpting the actual answer by @commjoen in #949
• Fixes for Challenge17 generation by @commjoen in #951

LCM:

• Bump s4u/setup-maven-action from 1.8.0 to 1.9.0 by @dependabot in #944

Full Changelog: 1.6.8...1.6.9

Special Thanks

Special thanks to @bendehaan , @commjoen, and @djvinnie for their hard work on this release!