Spell T0 traits, recategorize magic (#540)

* move to gurps magic types

* spell traits, categorize spells

* Update TraitSystem.cs

* magic spells item provider

* Update twoHandedStaffs.yml

* Update CP14MagicManacostModifySystem.cs

* Update CP14SpellStorageSystem.cs

Content.Shared/_CP14/MagicManacostModify/CP14MagicManacostModifyComponent.cs

@@ -0,0 +1,18 @@
+using Content.Shared._CP14.MagicRitual.Prototypes;
+using Content.Shared.FixedPoint;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared._CP14.MagicManacostModify;
+
+/// <summary>
+/// Changes the manacost of spells for the bearer
+/// </summary>
+[RegisterComponent, Access(typeof(CP14MagicManacostModifySystem))]
+public sealed partial class CP14MagicManacostModifyComponent : Component
+{
+    [DataField]
+    public Dictionary<ProtoId<CP14MagicTypePrototype>, FixedPoint2> Modifiers = new();
+
+    [DataField]
+    public FixedPoint2 GlobalModifier = 1f;
+}