Adds doccomments to all abilities

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

@@ -1,5 +1,11 @@
 namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 
+/// <summary>
+/// Battle Bond is an ability exclusive to Greninja. When Greninja with this ability knocks out a Pokémon, it transforms into Ash-Greninja.
+/// In its Ash-Greninja form, Water Shuriken's base power is increased to 20 and it always hits 3 times.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Battle_Bond_(Ability)">Bulbapedia - Battle Bond</see>
+/// </summary>
 [Script(ScriptCategory.Ability, "battle_bond")]
 public class BattleBond : Script
 {