Fixes all clippy warnings

src/static_data/species_data/ability.rs

@@ -35,3 +35,13 @@ impl Ability {
         &self.parameters
     }
 }
+
+/// An ability index allows us to find an ability on a form. It combines a bool for whether the
+/// ability is hidden or not, and then an index of the ability.
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+pub struct AbilityIndex {
+    /// Whether or not the ability we're referring to is a hidden ability.
+    pub hidden: bool,
+    /// The index of the ability.
+    pub index: u8,
+}