fix(pkg): rtk is Apache 2.0 and no MIT

Author: aeppling

Cargo.toml

@@ -4,7 +4,7 @@ version = "0.40.0"
 edition = "2021"
 authors = ["Patrick Szymkowiak"]
 description = "Rust Token Killer - High-performance CLI proxy to minimize LLM token consumption"
-license = "MIT"
+license = "Apache 2.0"
 homepage = "https://www.rtk-ai.app"
 repository = "https://github.com/rtk-ai/rtk"
 readme = "README.md"