Add Cargo metadata

Author: Turbo87

Cargo.toml

@@ -1,6 +1,10 @@
 [package]
 name = "seeyou-cupx"
 version = "0.0.0"
+description = "A Rust library for parsing and writing SeeYou CUPX files, commonly used in aviation and gliding for waypoints with attached pictures"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/Turbo87/seeyou-cupx-rs"
 edition = "2024"
+exclude = ["docs/*", "examples/*", "tests/*", ".gitignore"]
 
 [dependencies]