games/jaggedalliance2:

• Update to 0.16.1
• Unbreak and remove expiration date
• Fetch from Github
• Add LICENSE
• Use CMake/Ninja for the main build
• Switch to Rust / Cargo to build libstracciatella.so
• Pass to new maintainer (tobik). Thanks for taking it!

PR: 229711
Submitted by: fluffy, rebased and updated by tobik