Move entity effects definitions to shared (#35614)

* Move entity effects to shared

* relocate spawning to server

* Generic version of EntityEffect for just raising event.

* genericise everything

* oops forgot to push you

* some condensation

* finish rebas

* unwhite the space

* oops forgot nuke

* bad rebase fix

* useless annotations begone

---------

Co-authored-by: EmoGarbage404 <retron404@gmail.com>

Content.Shared/EntityEffects/EffectConditions/BreathingCondition.cs

@@ -0,0 +1,21 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.EntityEffects.EffectConditions;
+
+/// <summary>
+///     Condition for if the entity is successfully breathing.
+/// </summary>
+public sealed partial class Breathing : EventEntityEffectCondition<Breathing>
+{
+    /// <summary>
+    ///     If true, the entity must not have trouble breathing to pass.
+    /// </summary>
+    [DataField]
+    public bool IsBreathing = true;
+
+    public override string GuidebookExplanation(IPrototypeManager prototype)
+    {
+        return Loc.GetString("reagent-effect-condition-guidebook-breathing",
+                            ("isBreathing", IsBreathing));
+    }
+}