Add metadata

Cargo.toml

@@ -4,7 +4,14 @@ version = "0.1.0"
 authors = ["lunik1 <lunik1@users.noreply.github.com>"]
 edition = "2018"
 description = "Pokeapi wrapper"
+documentation = "https://docs.rs/pokerust"
+homepage = "https://gitlab.com/lunik1/pokerust"
+repository = "https://gitlab.com/lunik1/pokerust"
+readme = "README.md"
+keywords = ["pokemon", "api", "rest", "pokeapi"]
+categories = ["api-bindings"]
 license = "BSD-3-Clause"
+include = ["Cargo.toml", "src/**/*.rs", "README.md", "LICENSE"]
 
 [dependencies]
 minreq = { version = "2", features = ["https", "json-using-serde", "punycode"] }