feat(crate): add metadata to Crate.toml

Author: AndreiPashkin

Cargo.toml

@@ -5,6 +5,9 @@ authors = ["Andrei Pashkin <[email protected]>"]
 description = "Rust macro that makes possible to concatenate idents from multiple parts."
 keywords = ["idents", "ident", "concat", "concatenate", "macro"]
 edition = "2018"
+license = "MIT"
+readme = "README.md"
+repository = "https://github.com/AndreiPashkin/compose-idents"
 
 [lib]
 proc-macro = true