Trait Points (#434)

# Description

Some improvements to loadouts too.

---

# TODO

- [x] Points logic
- [x] Server-side validation
- [x] Categorize traits
- [x] Assign points to traits
- [x] Header costs
- [x] Sort entries
- [x] Max traits
	- [x] Communicate max traits
- [x] Point bar
- [x] Group exclusivity
- Black outline on text
- [x] Fix existing component whitelists

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<details><summary><h1>Media</h1></summary>
<p>

## Accurate except for small details


![image](https://github.com/Simple-Station/Einstein-Engines/assets/77995199/c0ab2fbf-3bce-4e54-81d5-8e546d6b3c0b)

### Something to note:


![image](https://github.com/Simple-Station/Einstein-Engines/assets/77995199/09a3948e-0c9f-4f57-b297-f62063b11845)


![image](https://github.com/Simple-Station/Einstein-Engines/assets/77995199/35d76095-0714-4613-a17b-73df25a9a832)


![image](https://github.com/Simple-Station/Einstein-Engines/assets/77995199/87149e5c-0af2-4ac0-bbde-52f317a008a0)

</p>
</details>

---

# Changelog

🆑
- add: Added trait points
- add: Added categories for traits

---------

Co-authored-by: VMSolidus <evilexecutive@gmail.com>

Content.Shared/Customization/Systems/CharacterRequirementsSystem.cs

@@ -0,0 +1,43 @@
+using Content.Shared.Preferences;
+using Content.Shared.Roles;
+using Robust.Shared.Configuration;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Utility;
+
+namespace Content.Shared.Customization.Systems;
+
+
+public sealed class CharacterRequirementsSystem : EntitySystem
+{
+    public bool CheckRequirementsValid(IPrototype prototype, List<CharacterRequirement> requirements, JobPrototype job,
+        HumanoidCharacterProfile profile, Dictionary<string, TimeSpan> playTimes,
+        IEntityManager entityManager, IPrototypeManager prototypeManager, IConfigurationManager configManager,
+        out List<FormattedMessage> reasons)
+    {
+        reasons = new List<FormattedMessage>();
+        var valid = true;
+
+        foreach (var requirement in requirements)
+        {
+            // Set valid to false if the requirement is invalid and not inverted
+            // If it's inverted set valid to false when it's valid
+            if (!requirement.IsValid(prototype, job, profile, playTimes,
+                entityManager, prototypeManager, configManager,
+                out var reason))
+            {
+                if (valid)
+                    valid = requirement.Inverted;
+            }
+            else
+            {
+                if (valid)
+                    valid = !requirement.Inverted;
+            }
+
+            if (reason != null) // To appease the compiler
+                reasons.Add(reason);
+        }
+
+        return valid;
+    }
+}