Adds doccomments to all abilities

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

@@ -2,6 +2,12 @@ using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 
+/// <summary>
+/// Bad Dreams is an ability that causes sleeping opposing Pokémon to lose 1/8 of their maximum HP at the end of each turn.
+/// This effect only applies to sleeping Pokémon on the opposing side of the field.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Bad_Dreams_(Ability)">Bulbapedia - Bad Dreams</see>
+/// </summary>
 [Script(ScriptCategory.Ability, "bad_dreams")]
 public class BadDreams : Script
 {