Fixes a bunch of clippy warnings, adds clippy to CI

src/static_data/species_data/learnable_moves.rs

@@ -3,7 +3,7 @@ use crate::StringKey;
 use hashbrown::hash_map::Entry::{Occupied, Vacant};
 use hashbrown::HashMap;
 
-#[derive(Default, PartialEq, Debug)]
+#[derive(Default, PartialEq, Eq, Debug)]
 pub struct LearnableMoves {
     learned_by_level: HashMap<LevelInt, Vec<StringKey>>,
     distinct_level_moves: Vec<StringKey>,
@@ -23,7 +23,7 @@ impl LearnableMoves {
                 self.learned_by_level.insert(level, vec![m.clone()]);
             }
         }
-        if !self.distinct_level_moves.contains(&m) {
+        if !self.distinct_level_moves.contains(m) {
             self.distinct_level_moves.push(m.clone());
         }
     }