Moved from GPL to dual (#98)

Author: folkengine

Cargo.toml

@@ -1,11 +1,11 @@
 [package]
 name = "pkcore"
 description = "Prototype core poker library."
-version = "0.0.57"
+version = "0.1.0"
 rust-version = "1.94.1"
 edition = "2024"
 authors = ["electronicpanopticon <gaoler@electronicpanopticon.com>"]
-license = "GPL-3.0-or-later"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/ImperialBower/pkcore.git"
 homepage = "https://github.com/ImperialBower/pkcore"
 exclude = [".github/workflows/*", "data/*", "docs/*", "examples/*", "generated/hups.db", "generated/old/*", "proto/*", "scripts/*", ".gitignore", "Cargo.lock", ".claude", "Claude.md"]