Added Human parts

Parts/Base/Mouth.cs

@@ -1,7 +1,7 @@
 namespace WaifuCellar.Parts.Base;
 
 public class Mouth : Part {
-    public override List<IBuff> Buffs { get; set; } = new();
+    public override List<IBuff> Buffs { get; set; } = [];
     public override Part? ParentPart { get; set; }
-    public override List<Part> AttachedParts { get; set; } = new();
+    public override List<Part> AttachedParts { get; } = [];
 }