Adds doccomments to all abilities

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

@@ -1,5 +1,11 @@
 namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
 
+/// <summary>
+/// Battery is an ability that increases the power of allies' Special moves by 30%.
+/// This effect only applies to allies on the same side of the field.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Battery_(Ability)">Bulbapedia - Battery</see>
+/// </summary>
 [Script(ScriptCategory.Ability, "battery")]
 public class Battery : Script
 {