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/MovespeedModifier.cs

@@ -1,6 +1,7 @@
 using Content.Shared.Chemistry.Components;
 using Content.Shared.Chemistry.Reagent;
 using Content.Shared.Movement.Systems;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Timing;
 
 namespace Content.Server.Chemistry.ReagentEffects
@@ -29,6 +30,14 @@ namespace Content.Server.Chemistry.ReagentEffects
         [DataField("statusLifetime")]
         public float StatusLifetime = 2f;
 
+        protected override string? ReagentEffectGuidebookText(IPrototypeManager prototype, IEntitySystemManager entSys)
+        {
+            return Loc.GetString("reagent-effect-guidebook-movespeed-modifier",
+                ("chance", Probability),
+                ("walkspeed", WalkSpeedModifier),
+                ("time", StatusLifetime));
+        }
+
         /// <summary>
         /// Remove reagent at set rate, changes the movespeed modifiers and adds a MovespeedModifierMetabolismComponent if not already there.
         /// </summary>