fix: crates.io keyword length limit (#11)

crates.io rejects keywords over 20 characters; "probabilistic-programming"
is 25. Replace with "bayesian" + "ppl" (5 keywords, the maximum).


Claude-Session: https://claude.ai/code/session_01DEAKcbnLVP8iSXub2Pqor2

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: alexnodeland

Cargo.toml

@@ -18,7 +18,7 @@ authors = ["Alex Nodeland"]
 description = "A Probabilistic Genetic Algorithm Library for Rust"
 license = "MIT"
 repository = "https://github.com/alexnodeland/fugue-evo"
-keywords = ["genetic-algorithm", "evolution", "optimization", "probabilistic-programming"]
+keywords = ["genetic-algorithm", "evolution", "optimization", "bayesian", "ppl"]
 categories = ["algorithms", "science"]
 
 [features]