add: new modules, sprite visuals, client and shared logic

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.cs

@@ -544,6 +544,14 @@ public abstract partial class SharedGunSystem : EntitySystem
         RefreshModifiers(weapon);
     }
 
+    public void setFireRate(EntityUid weapon, float fireRate)
+    {
+        TryComp<GunComponent>(weapon, out var gunComponent);
+        gunComponent!.FireRate = fireRate;
+
+        RefreshModifiers(weapon);
+    }
+
     public void setSound(EntityUid weapon, SoundSpecifier sound)
     {
         TryComp<GunComponent>(weapon, out var gunComponent);

Content.Shared/_White/WeaponModules/WeaponModulesVisualsComponent.cs

@@ -0,0 +1,23 @@
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization;
+
+namespace Content.Client._White.WeaponsModules;
+
+/// <inheritdoc/>
+[RegisterComponent]
+public sealed partial class WeaponModulesVisualsComponent : Component
+{
+    [DataField] public string? state;
+}
+
+[Serializable, NetSerializable]
+public enum ModuleVisualState : byte
+{
+    Module
+}
+
+[Serializable, NetSerializable]
+public enum Modules : byte
+{
+    Light
+}