Mega Antag Refactor (#25786)

* Mega Antag Refactor

* last minute delta save

* more workshopping

* more shit

* ok tested this for once

* okkkkk sure

* generic delays for starting rules

* well darn

* nukies partially

* ouagh

* ballin' faded and smonkin wed

* obliterated the diff

* Spread my arms and soak up congratulations

* I've got plenty of love, but nothing to show for it

* but there’s too much sunlight
Shining on my laptop monitor, so I
Can’t see anything with any amount of clarity

* ok this junk

* OOK!

* fubar

* most of sloth's review

* oh boy

* eek

* hell yea!

* ASDFJASDJFvsakcvjkzjnhhhyh

Content.Server/GameTicking/Components/EndedGameRuleComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.GameTicking.Components;
+
+/// <summary>
+///     Added to game rules before <see cref="GameRuleEndedEvent"/>.
+///     Mutually exclusive with <seealso cref="ActiveGameRuleComponent"/>.
+/// </summary>
+[RegisterComponent]
+public sealed partial class EndedGameRuleComponent : Component
+{
+}