Fixes all clippy warnings

src/utils/mod.rs

@@ -3,5 +3,8 @@ pub use random::Random;
 #[doc(inline)]
 pub use string_key::StringKey;
 
+/// The random module defines a RNG implementation used in pkmn_lib
 mod random;
+/// The string_key module defines a custom string handling for reduced allocations and fast lookups
+/// and equality checks.
 mod string_key;