Add missing info for crates.io

Author: 13r0ck

Cargo.toml

@@ -4,6 +4,10 @@ version = "0.1.1"
 edition = "2021"
 description = "An animation Crate for Iced and Cosmic DE"
 license = "MIT"
+repository = "https://github.com/pop-os/cosmic-time"
+documentation = "https://docs.rs/cosmic-time"
+keywords = ["gui", "animation", "interface", "widgets", "iced"]
+categories = ["gui"]
 
 [workspace]
 members = [