Refactor move classes to implement respective interfaces for better structure

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/GaleWings.cs

@@ -7,10 +7,10 @@ namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 /// <see href="https://bulbapedia.bulbagarden.net/wiki/Gale_Wings_(Ability)">Bulbapedia - Gale Wings</see>
 /// </summary>
 [Script(ScriptCategory.Ability, "gale_wings")]
-public class GaleWings : Script
+public class GaleWings : Script, IScriptChangePriority
 {
     /// <inheritdoc />
-    public override void ChangePriority(IMoveChoice choice, ref sbyte priority)
+    public void ChangePriority(IMoveChoice choice, ref sbyte priority)
     {
         if (choice.User.CurrentHealth != choice.User.MaxHealth)
             return;