chore: add info to manifest

Cargo.toml

@@ -2,6 +2,10 @@
 name = "ffxiv_types"
 version = "0.1.0"
 authors = ["Kyle Clemens <git@kyleclemens.com>"]
+description = "Useful types for FFXIV-related projects"
+documentation = "https://docs.rs/ffxiv_types"
+repository = "https://github.com/jkcclemens/ffxiv_types"
+license = "MIT"
 
 [features]
 default = ["jobs", "roles", "data_centers", "worlds", "all_const"]
@@ -21,6 +25,8 @@ roles = []
 # World-related
 data_centers = []
 worlds = []
+
+# Serde support
 with_serde = ["serde", "serde_derive"]
 
 [dependencies]