Chem guidebook (#17123)

* im good at atomizing. welcome to half-finished chem guides.

* wagh

* e

* save work

* aa

* woweee UI

* finishing the last of it

* don't actually update the engine :(

---------

Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

Content.Server/Chemistry/ReagentEffects/ExtinguishReaction.cs

@@ -2,12 +2,16 @@ using Content.Server.Atmos.Components;
 using Content.Server.Atmos.EntitySystems;
 using Content.Shared.Chemistry.Reagent;
 using JetBrains.Annotations;
+using Robust.Shared.Prototypes;
 
 namespace Content.Server.Chemistry.ReagentEffects
 {
     [UsedImplicitly]
     public sealed class ExtinguishReaction : ReagentEffect
     {
+        protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys)
+            => Loc.GetString("reagent-effect-guidebook-extinguish-reaction", ("chance", Probability));
+
         public override void Effect(ReagentEffectArgs args)
         {
             if (!args.EntityManager.TryGetComponent(args.SolutionEntity, out FlammableComponent? flammable)) return;